Course: Physics - Khan Academy + Learn from the Master

Section outline

Select section General

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General

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Select section 1. Electric Charges and Fields

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1. Electric Charges and Fields
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  Electric Charge
  
  Select activity Introduction to Charge
  
  Introduction to Charge Lesson
  
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  Conductors and Insulators
  
  Select activity Conductors and Insulators
  
  Conductors and Insulators Lesson
  
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  Basic Properties of Electric Charge
  
  Select activity Conservation of Charge
  
  Conservation of Charge Lesson
  
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  Coulomb’s Law
  
  Select activity Coulomb's Law
  
  Coulomb's Law Lesson
  
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  Forces between Multiple Charges
  
  Select activity Find where a third Charge would be in Equilibrium
  
  Find where a third Charge would be in Equilibrium Lesson
  
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  Electric Field
  
  Select activity Electric Field Definition
  
  Electric Field Definition Lesson
  
  Students must
  
  Mark as done
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  Electric Field Lines
  
  Select activity Electric Field Direction
  
  Electric Field Direction Lesson
  
  Students must
  
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  Electric Flux
  
  Select activity Electric Flux Meaning & How to Calculate it
  
  Electric Flux Meaning & How to Calculate it Lesson
  
  Students must
  
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  Select activity Area Vector with Examples & Flux Vector Equation
  
  Area Vector with Examples & Flux Vector Equation Lesson
  
  Students must
  
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  Electric Dipole
  
  Select activity Electric Dipoles & Dipole Moments
  
  
  
  Electric Dipoles & Dipole Moments Lesson
  
  Students must
  
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  Select activity Electric Field due to Dipole on the Axis
  
  
  
  Electric Field due to Dipole on the Axis Lesson
  
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  Select activity Electric Field due to Dipole on the Equator
  
  
  
  Electric Field due to Dipole on the Equator Lesson
  
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  Dipole in a Uniform External Field
  
  Select activity Introduction to Torque on a Dipole in Uniform Electric Field
  
  
  
  Introduction to Torque on a Dipole in Uniform Electric Field Lesson
  
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  Select activity Torque on a Dipole in Electric Field (Derivation)
  
  
  
  Torque on a Dipole in Electric Field (Derivation) Lesson
  
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  Select activity Example: Torque on Dipoles in External Electric Fields
  
  
  
  Example: Torque on Dipoles in External Electric Fields Lesson
  
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  Continuous Charge Distribution
  
  Select activity Charge Density & Continuous Charge Distribution
  
  Charge Density & Continuous Charge Distribution Lesson
  
  Students must
  
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  Gauss’s Law
  
  Select activity Gauss's Law of Electricity
  
  
  
  Gauss's Law of Electricity Lesson
  
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  Select activity Gauss's Law Logical Proof (Any Closed Surface)
  
  
  
  Gauss's Law Logical Proof (Any Closed Surface) Lesson
  
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  Select activity Calculate Charge Enclosed in a Non Uniform Electric Field
  
  
  
  Calculate Charge Enclosed in a Non Uniform Electric Field Lesson
  
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  Applications of Gauss’s Law
  
  Select activity Field due to Infinite Plane of Charge
  
  Field due to Infinite Plane of Charge Lesson
  
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Select section 2. Electrostatic Potential and Capacitance

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2. Electrostatic Potential and Capacitance
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  Electrostatic Potential
  
  Select activity Introduction to Electric Potential
  
  
  
  Introduction to Electric Potential Lesson
  
  Students must
  
  Mark as done
  
  Select activity Potential Difference & Negative Potentials
  
  
  
  Potential Difference & Negative Potentials Lesson
  
  Students must
  
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  Select activity Electric Potential & Work
  
  
  
  Electric Potential & Work Lesson
  
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  Select activity Electric Potential : Find sign of Work Done
  
  
  
  Electric Potential : Find sign of Work Done Lesson
  
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  Select activity Worked Example: Electric Potential and Work done
  
  
  
  Worked Example: Electric Potential and Work done Lesson
  
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  Potential due to a Point Charge
  
  Select activity Electric Potential at a Point in Space
  
  Electric Potential at a Point in Space Lesson
  
  Students must
  
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  Select activity Electric Potential Charge Configuration
  
  Electric Potential Charge Configuration Lesson
  
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  Potential due to an Electric Dipole
  
  Select activity Potential due to Dipole (Logical Derivation)
  
  Potential due to Dipole (Logical Derivation) Lesson
  
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  Select activity Dipole Potential: Numerical
  
  Dipole Potential: Numerical Lesson
  
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  Equipotential Surfaces
  
  Select activity Equipotential Surfaces (& why they are perpendicular to field)
  
  
  
  Equipotential Surfaces (& why they are perpendicular to field) Lesson
  
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  Select activity Equipotential Surfaces of Two Charges (& Dipoles)
  
  
  
  Equipotential Surfaces of Two Charges (& Dipoles) Lesson
  
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  Select activity Calculate Potential Difference in Uniform Fields
  
  
  
  Calculate Potential Difference in Uniform Fields Lesson
  
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  Select activity Relation between Electric Field & Potential
  
  
  
  Relation between Electric Field & Potential Lesson
  
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  Select activity Calculating E from V(x,y,z): E = - Potential Gradient
  
  
  
  Calculating E from V(x,y,z): E = - Potential Gradient Lesson
  
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  Potential Energy of a System of Charges
  
  Select activity Electric Potential: Where is Potential (Energy) More?
  
  
  
  Electric Potential: Where is Potential (Energy) More? Lesson
  
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  Select activity Electric Potential Energy of Charges
  
  
  
  Electric Potential Energy of Charges Lesson
  
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  Select activity Potential Energy of a System of 3 Charges
  
  
  
  Potential Energy of a System of 3 Charges Lesson
  
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  Select activity Potential Energy of a system of Charges: Numerical
  
  
  
  Potential Energy of a system of Charges: Numerical Lesson
  
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  Potential Energy in an External Field
  
  Select activity Potential Energy in an External Field- Part 1
  
  
  
  Potential Energy in an External Field- Part 1 Lesson
  
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  Select activity Potential Energy in an External Field- Part 2
  
  
  
  Potential Energy in an External Field- Part 2 Lesson
  
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  Select activity Potential Energy in an External Field- Part 3
  
  
  
  Potential Energy in an External Field- Part 3 Lesson
  
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  Electrostatics of Conductors
  
  Select activity Why Charges reside on Surface of Conductors?
  
  
  
  Why Charges reside on Surface of Conductors? Lesson
  
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  Select activity Conductor with Charge inside a Cavity
  
  
  
  Conductor with Charge inside a Cavity Lesson
  
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  Select activity Electrostatic Shielding & Faraday Cage
  
  
  
  Electrostatic Shielding & Faraday Cage Lesson
  
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  Capacitors and Capacitance
  
  Select activity Capacitors and Capacitance
  
  Capacitors and Capacitance Lesson
  
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  Select activity Capacitance
  
  Capacitance Lesson
  
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  The Parallel Plate Capacitor
  
  Select activity The Parallel Plate Capacitor
  
  The Parallel Plate Capacitor Lesson
  
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  Effect of Dielectric on Capacitance
  
  Select activity Dielectrics in Capacitors
  
  Dielectrics in Capacitors Lesson
  
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  Select activity Capacitor with Partially Filled Dielectric
  
  Capacitor with Partially Filled Dielectric Lesson
  
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  Combination of Capacitors
  
  Select activity Capacitors in Series
  
  
  
  Capacitors in Series Lesson
  
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  Select activity Capacitors in Parallel
  
  
  
  Capacitors in Parallel Lesson
  
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  Select activity Example: Combinations of Capacitors
  
  
  
  Example: Combinations of Capacitors Lesson
  
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  Energy Stored in a Capacitor
  
  Select activity Energy of a Capacitor
  
  
  
  Energy of a Capacitor Lesson
  
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  Select activity Energy Stored in Capacitor Derivation (why it's not QV)
  
  
  
  Energy Stored in Capacitor Derivation (why it's not QV) Lesson
  
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  Select activity Energy Density in Electric Fields
  
  
  
  Energy Density in Electric Fields Lesson
  
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  Learn More…
  
  Select activity How do Touchscreens Work?
  
  
  
  How do Touchscreens Work? Lesson
  
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  Select activity How do Condenser Microphones Work?
  
  
  
  How do Condenser Microphones Work? Lesson
  
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  Select activity Why are Sparks Created?
  
  
  
  Why are Sparks Created? Lesson
  
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  Select activity The Sun shouldn't be alive, here's why!
  
  
  
  The Sun shouldn't be alive, here's why! Lesson
  
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Select section 3. Current Electricity

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3. Current Electricity
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  Electric Current
  
  Select activity Introduction to Current
  
  Introduction to Current Lesson
  
  Students must
  
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  Electric Currents in Conductors
  
  Select activity Electric Current
  
  Electric Current Lesson
  
  Students must
  
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  Ohm’s Law
  
  Select activity Introduction to Circuits and Ohm's Law
  
  
  
  Introduction to Circuits and Ohm's Law Lesson
  
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  Select activity Ohm's law
  
  
  
  Ohm's law Lesson
  
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  Select activity Solved example: Ohm's Law
  
  
  
  Solved example: Ohm's Law Lesson
  
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  Select activity Ohm's Law Graph (Verifying Ohm's Law)
  
  
  
  Ohm's Law Graph (Verifying Ohm's Law) Lesson
  
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  Select activity Solved Example: (Ohm's Law Graph)
  
  
  
  Solved Example: (Ohm's Law Graph) Lesson
  
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  Drift of Electrons and the Origin of Resistivity
  
  Select activity Drift Velocity
  
  
  
  Drift Velocity Lesson
  
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  Select activity Drift Velocity - Formula & Derivation
  
  
  
  Drift Velocity - Formula & Derivation Lesson
  
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  Select activity Ohm's Law - Derivation (Using Drift Velocity)
  
  
  
  Ohm's Law - Derivation (Using Drift Velocity) Lesson
  
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  Select activity Current from Drift Velocity (I = neAvd)
  
  
  
  Current from Drift Velocity (I = neAvd) Lesson
  
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  Limitations of Ohm's Law
  
  Select activity Limitations of Ohm's Law
  
  Limitations of Ohm's Law Lesson
  
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  Resistivity of Various Materials
  
  Select activity Resistivity and Conductivity
  
  Resistivity and Conductivity Lesson
  
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  Temperature Dependence of Resistivity
  
  Select activity Temperature Dependency Part 1
  
  
  
  Temperature Dependency Part 1 Lesson
  
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  Select activity Temperature Dependency Part 2
  
  
  
  Temperature Dependency Part 2 Lesson
  
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  Select activity Temperature Dependency Part 3
  
  
  
  Temperature Dependency Part 3 Lesson
  
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  Select activity Temperature Dependency Part 4
  
  
  
  Temperature Dependency Part 4 Lesson
  
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  Electrical Energy, Power
  
  Select activity Electric Power & Energy
  
  
  
  Electric Power & Energy Lesson
  
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  Select activity Electric Power
  
  
  
  Electric Power Lesson
  
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  Select activity Solved Example- Power Dissipated in Bulbs
  
  
  
  Solved Example- Power Dissipated in Bulbs Lesson
  
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  Select activity Solved example - Calculating Power & Heat Dissipated
  
  
  
  Solved example - Calculating Power & Heat Dissipated Lesson
  
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  Cells, EMF, Internal Resistance
  
  Select activity Cells, EMF, Terminal Voltage & Internal Resistance
  
  Cells, EMF, Terminal Voltage & Internal Resistance Lesson
  
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  Select activity Cells with Internal Resistances: Worked Example
  
  Cells with Internal Resistances: Worked Example Lesson
  
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  Cells in Series and in Parallel
  
  Select activity Cells in Series
  
  Cells in Series Lesson
  
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  Select activity Cells Connected in Parallel
  
  Cells Connected in Parallel Lesson
  
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  Kirchhoff’s Rules
  
  Select activity Kirchhoff's Current Law
  
  
  
  Kirchhoff's Current Law Lesson
  
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  Select activity Kirchhoff's Voltage Law (Conceptual)
  
  
  
  Kirchhoff's Voltage Law (Conceptual) Lesson
  
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  Select activity Kirchhoff's Law Application: 2-Loop Circuit Solving
  
  
  
  Kirchhoff's Law Application: 2-Loop Circuit Solving Lesson
  
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  Wheatstone Bridge
  
  Select activity Wheatstone Bridge & its Logic
  
  Wheatstone Bridge & its Logic Lesson
  
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  Select activity Meter Bridge Principle and Working
  
  Meter Bridge Principle and Working Lesson
  
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Select section 4. Moving Charges and Magnetism

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4. Moving Charges and Magnetism
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  Introduction
  
  Select activity Introduction to Magnetic Fields (Why fields?)
  
  Introduction to Magnetic Fields (Why fields?) Lesson
  
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  Select activity Oersted's Experiment
  
  Oersted's Experiment Lesson
  
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  Magnetic Force
  
  Select activity Comparing Properties of Magnetic (Lorentz) & Electric Forces
  
  
  
  Comparing Properties of Magnetic (Lorentz) & Electric Forces Lesson
  
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  Select activity Magnetic Force on a Charge
  
  
  
  Magnetic Force on a Charge Lesson
  
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  Select activity Force on a Current Carrying Conductor in a Magnetic Field
  
  
  
  Force on a Current Carrying Conductor in a Magnetic Field Lesson
  
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  Select activity Magnetic Force on a Current Carrying Wire
  
  
  
  Magnetic Force on a Current Carrying Wire Lesson
  
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  Select activity Magnetic Force on a Proton Example
  
  
  
  Magnetic Force on a Proton Example Lesson
  
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  Select activity Example: Force on a Current Carrying Wire
  
  
  
  Example: Force on a Current Carrying Wire Lesson
  
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  Motion in a Magnetic Field
  
  Select activity Path of Charged Particles in the Magnetic Field
  
  
  
  Path of Charged Particles in the Magnetic Field Lesson
  
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  Select activity Radius & Time Period of Charges Moving in Magnetic Field
  
  
  
  Radius & Time Period of Charges Moving in Magnetic Field Lesson
  
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  Select activity Comparing Radii & Time Period of Particles in Magnetic Field
  
  
  
  Comparing Radii & Time Period of Particles in Magnetic Field Lesson
  
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  Select activity Velocity Selector
  
  
  
  Velocity Selector Lesson
  
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  Select activity Cyclotron - Working Principle & Construction
  
  
  
  Cyclotron - Working Principle & Construction Lesson
  
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  Select activity Cyclotron Frequency
  
  
  
  Cyclotron Frequency Lesson
  
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  Select activity Cyclotron Energies
  
  
  
  Cyclotron Energies Lesson
  
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  Magnetic Field due to a Current Element, Biot-Savart Law
  
  Select activity Biot Savart Law
  
  Biot Savart Law Lesson
  
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  Magnetic Field on the Axis of a Circular Current Loop
  
  Select activity Magnetic Field on the Axis of a Circular Loop
  
  
  
  Magnetic Field on the Axis of a Circular Loop Lesson
  
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  Select activity Magnetic Field due to Two Current Loops: Numerical
  
  
  
  Magnetic Field due to Two Current Loops: Numerical Lesson
  
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  Select activity Right Hand Thumb Rule
  
  
  
  Right Hand Thumb Rule Lesson
  
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  Ampere’s Circuital Law
  
  Select activity Ampere's Circuital Law
  
  
  
  Ampere's Circuital Law Lesson
  
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  Select activity Field due to Straight Wire Carrying Current (Outside)
  
  
  
  Field due to Straight Wire Carrying Current (Outside) Lesson
  
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  Select activity Field due to Straight Wire Carrying Current (Inside)
  
  
  
  Field due to Straight Wire Carrying Current (Inside) Lesson
  
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  The Solenoid
  
  Select activity Magnetic Fields through Solenoids
  
  Magnetic Fields through Solenoids Lesson
  
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  Force between Two Parallel Currents, the Ampere
  
  Select activity Force between Two Parallel Current Wires
  
  Force between Two Parallel Current Wires Lesson
  
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  Select activity Ampere Definition
  
  Ampere Definition Lesson
  
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  Torque on Current Loop, Magnetic Dipole
  
  Select activity Torque Acting on Current Loops
  
  
  
  Torque Acting on Current Loops Lesson
  
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  Select activity Magnetic Dipoles & Dipole Moment
  
  
  
  Magnetic Dipoles & Dipole Moment Lesson
  
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  Select activity Magnetic Moment of Electron around a Proton
  
  
  
  Magnetic Moment of Electron around a Proton Lesson
  
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  The Moving Coil Galvanometer
  
  Select activity Moving Coil Galvanometer Working
  
  
  
  Moving Coil Galvanometer Working Lesson
  
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  Select activity Current Sensitivity of a Galvanometer
  
  
  
  Current Sensitivity of a Galvanometer Lesson
  
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  Select activity Conversion of Galvanometer into Ammeter
  
  
  
  Conversion of Galvanometer into Ammeter Lesson
  
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  Select activity Conversion of Galvanometer into Voltmeter
  
  
  
  Conversion of Galvanometer into Voltmeter Lesson
  
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  Learn More…
  
  Select activity Age of Fossils using Mass Spectrometer
  
  Age of Fossils using Mass Spectrometer Lesson
  
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Select section 5. Magnetism and Matter

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5. Magnetism and Matter
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  Introduction
  
  Select activity Magnetic Declination - Earth's Magnetism
  
  Magnetic Declination - Earth's Magnetism Lesson
  
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  Select activity Magnetic Dip & Horizontal Component of Earth's Field
  
  Magnetic Dip & Horizontal Component of Earth's Field Lesson
  
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  The Bar Magnet
  
  Select activity Introduction to Magnetic Fields
  
  Introduction to Magnetic Fields Lesson
  
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  Select activity Magnetic Field Lines & their Properties
  
  Magnetic Field Lines & their Properties Lesson
  
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  Magnetism and Gauss’s Law
  
  Select activity Gauss's Law for Magnetism
  
  Gauss's Law for Magnetism Lesson
  
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  Magnetic Properties of Materials
  
  Select activity Magnetic Susceptibility & Permeability
  
  
  
  Magnetic Susceptibility & Permeability Lesson
  
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  Select activity Paramagnetism & Diamagnetism
  
  
  
  Paramagnetism & Diamagnetism Lesson
  
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  Select activity Ferromagnetism & Curie Temperature
  
  
  
  Ferromagnetism & Curie Temperature Lesson
  
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  Learn More…
  
  Select activity Hysteresis & Magnetic Retention
  
  Hysteresis & Magnetic Retention Lesson
  
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  Select activity Coercivity & Retentivity (Permanent & Electromagnets)
  
  Coercivity & Retentivity (Permanent & Electromagnets) Lesson
  
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Select section 6. Electromagnetic Induction

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6. Electromagnetic Induction
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  The Experiments of Faraday and Henry
  
  Select activity Electromagnetic Induction & Faraday's Experiments
  
  Electromagnetic Induction & Faraday's Experiments Lesson
  
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  Magnetic Flux
  
  Select activity Magnetic Flux
  
  Magnetic Flux Lesson
  
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  Faraday’s Law of Induction
  
  Select activity Introduction
  
  
  
  Introduction Lesson
  
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  Select activity Faraday's Law, ε = − N* Δϕ/Δt
  
  
  
  Faraday's Law, ε = − N* Δϕ/Δt Lesson
  
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  Select activity Faraday's Law Examples (Qualitative)
  
  
  
  Faraday's Law Examples (Qualitative) Lesson
  
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  Select activity Faraday's Law Example
  
  
  
  Faraday's Law Example Lesson
  
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  Lenz’s Law and Conservation of Energy
  
  Select activity Lenz's Law
  
  Lenz's Law Lesson
  
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  Select activity Lenz's Law Examples
  
  Lenz's Law Examples Lesson
  
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  Motional Electromotive Force
  
  Select activity EMF Induced in Rod Traveling through Magnetic Field
  
  
  
  EMF Induced in Rod Traveling through Magnetic Field Lesson
  
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  Select activity Part 1 - Why is an EMF induced in a Moving Rod?
  
  
  
  Part 1 - Why is an EMF induced in a Moving Rod? Lesson
  
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  Select activity Part 2 - Why is an EMF induced in a Moving Rod?
  
  
  
  Part 2 - Why is an EMF induced in a Moving Rod? Lesson
  
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  Select activity EMF Induced in a Rotating Rod & Disc
  
  
  
  EMF Induced in a Rotating Rod & Disc Lesson
  
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  Inductance
  
  Select activity What are Inductors?
  
  
  
  What are Inductors? Lesson
  
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  Select activity Mutual Induction & Inductance
  
  
  
  Mutual Induction & Inductance Lesson
  
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  Select activity Mutual Inductance of Two Coaxial Solenoids
  
  
  
  Mutual Inductance of Two Coaxial Solenoids Lesson
  
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  Select activity Mutual Inductance of Two Concentric Coils
  
  
  
  Mutual Inductance of Two Concentric Coils Lesson
  
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  Select activity Example: Factors affecting mutual inductance
  
  
  
  Example: Factors affecting mutual inductance Lesson
  
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  Select activity Self Inductance of a Long Solenoid
  
  
  
  Self Inductance of a Long Solenoid Lesson
  
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  Select activity Energy Stored in Inductor (1/2 Li^2)
  
  
  
  Energy Stored in Inductor (1/2 Li^2) Lesson
  
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  AC Generator
  
  Select activity Right Hand Generator Rule
  
  
  
  Right Hand Generator Rule Lesson
  
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  Select activity Electric Generator (A.C. & D.C.)
  
  
  
  Electric Generator (A.C. & D.C.) Lesson
  
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  Select activity EMF & Flux Equation of AC generator
  
  
  
  EMF & Flux Equation of AC generator Lesson
  
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  Learn More…
  
  Select activity Energy density in Magnetic fields
  
  Energy density in Magnetic fields Lesson
  
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Select section 7. Alternating Current

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7. Alternating Current
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  AC Voltage Applied to a Resistor
  
  Select activity AC Voltage Applied to Resistors
  
  
  
  AC Voltage Applied to Resistors Lesson
  
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  Select activity What is RMS Value?
  
  
  
  What is RMS Value? Lesson
  
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  Select activity Sine Wave RMS Value
  
  
  
  Sine Wave RMS Value Lesson
  
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  Representation of AC Current and Voltage by Rotating Vectors- Phasors
  
  Select activity Phasor Diagram & its Applications
  
  Phasor Diagram & its Applications Lesson
  
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  Select activity Example: Relating Phasor Diagrams with Equations
  
  Example: Relating Phasor Diagrams with Equations Lesson
  
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  AC Voltage Applied to an Inductor
  
  Select activity AC Voltage across Pure Inductor (Derivation)
  
  AC Voltage across Pure Inductor (Derivation) Lesson
  
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  Select activity Why Current lags Voltage in Inductors?
  
  Why Current lags Voltage in Inductors? Lesson
  
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  AC Voltage Applied to a Capacitor
  
  Select activity AC Voltage across a Capacitor (Derivation)
  
  AC Voltage across a Capacitor (Derivation) Lesson
  
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  Select activity Why Current leads Voltage in a Capacitor?
  
  Why Current leads Voltage in a Capacitor? Lesson
  
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  AC Voltage applied to a Series LCR Circuit
  
  Select activity Reactance, Resistance & Impedance (What's the Difference?)
  
  
  
  Reactance, Resistance & Impedance (What's the Difference?) Lesson
  
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  Select activity LCR Resonance & Resonant Frequency
  
  
  
  LCR Resonance & Resonant Frequency Lesson
  
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  Select activity LCR Frequency Response & Quality
  
  
  
  LCR Frequency Response & Quality Lesson
  
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  Select activity Worked Example: Voltage in a Series LCR Circuit
  
  
  
  Worked Example: Voltage in a Series LCR Circuit Lesson
  
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  Select activity Worked Example: Phase Difference between Voltage and Current in AC
  
  
  
  Worked Example: Phase Difference between Voltage and Current in AC Lesson
  
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  Select activity Worked Example: Impedance in Series LCR Circuit
  
  
  
  Worked Example: Impedance in Series LCR Circuit Lesson
  
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  Select activity Worked Examples: Phase Angle in a Series LCR Circuit
  
  
  
  Worked Examples: Phase Angle in a Series LCR Circuit Lesson
  
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  Select activity Worked examples: Resonance Frequency in LCR Circuits
  
  
  
  Worked examples: Resonance Frequency in LCR Circuits Lesson
  
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  Power in AC Circuit: the Power Factor
  
  Select activity What is a Power Factor?
  
  What is a Power Factor? Lesson
  
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  Transformers
  
  Select activity Working & Applications (Step Up and Step Down)
  
  Working & Applications (Step Up and Step Down) Lesson
  
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  Select activity Transformer Currents & Energy Losses
  
  Transformer Currents & Energy Losses Lesson
  
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Select section 8. Electromagnetic Waves

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8. Electromagnetic Waves
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  Displacement Current
  
  Select activity Displacement Current & Ampere Maxwell's Law
  
  Displacement Current & Ampere Maxwell's Law Lesson
  
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  Select activity Calculating Displacement & Conduction Current
  
  Calculating Displacement & Conduction Current Lesson
  
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  Electromagnetic Waves
  
  Select activity Electromagnetic Waves
  
  
  
  Electromagnetic Waves Lesson
  
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  Select activity EM Waves: Production and Propagation
  
  
  
  EM Waves: Production and Propagation Lesson
  
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  Select activity Worked example: Propagation of EM waves
  
  
  
  Worked example: Propagation of EM waves Lesson
  
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  Electromagnetic spectrum
  
  Select activity Electromagnetic Waves and the Electromagnetic Spectrum
  
  Electromagnetic Waves and the Electromagnetic Spectrum Lesson
  
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  Select activity Deriving speed of light using Maxwell's equations
  
  
  
  Deriving speed of light using Maxwell's equations Lesson
  
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  Select activity Energy Density
  
  
  
  Energy Density Lesson
  
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  Select activity Momentum of EM waves
  
  
  
  Momentum of EM waves Lesson
  
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Select section 9. Ray Optics and Optical Instruments

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9. Ray Optics and Optical Instruments
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  Reflection of Light by Spherical Mirrors
  
  Select activity Cartesian Sign Conventions Mirrors
  
  
  
  Cartesian Sign Conventions Mirrors Lesson
  
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  Select activity Concave Mirrors
  
  
  
  Concave Mirrors Lesson
  
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  Select activity Convex Mirror & Applications
  
  
  
  Convex Mirror & Applications Lesson
  
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  Select activity Spherical & Parabolic Mirrors
  
  
  
  Spherical & Parabolic Mirrors Lesson
  
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  Select activity Spherical Mirrors, Radius of Curvature & Focal Length
  
  
  
  Spherical Mirrors, Radius of Curvature & Focal Length Lesson
  
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  Select activity Convex & Concave Mirror Ray Diagrams
  
  
  
  Convex & Concave Mirror Ray Diagrams Lesson
  
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  Select activity Mirror Formula Derivation
  
  
  
  Mirror Formula Derivation Lesson
  
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  Select activity Why do we use Sign Convention Twice?
  
  
  
  Why do we use Sign Convention Twice? Lesson
  
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  Select activity Solved Example: Mirror Formula
  
  
  
  Solved Example: Mirror Formula Lesson
  
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  Select activity Worked Example: Magnification in Mirrors
  
  
  
  Worked Example: Magnification in Mirrors Lesson
  
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  Refraction
  
  Select activity Refraction and Snell's Law
  
  
  
  Refraction and Snell's Law Lesson
  
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  Select activity Snell's Law Example 1
  
  
  
  Snell's Law Example 1 Lesson
  
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  Select activity Snell's Law Example 2
  
  
  
  Snell's Law Example 2 Lesson
  
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  Select activity Refraction in Water
  
  
  
  Refraction in Water Lesson
  
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  Select activity Refraction through Glass Slab
  
  
  
  Refraction through Glass Slab Lesson
  
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  Total Internal Reflection
  
  Select activity Total Internal Reflection
  
  
  
  Total Internal Reflection Lesson
  
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  Select activity Absolute & Relative Refractive Index
  
  
  
  Absolute & Relative Refractive Index Lesson
  
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  Select activity Relative & Absolute R.I. Connection
  
  
  
  Relative & Absolute R.I. Connection Lesson
  
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  Select activity Worked Example: Total Internal Reflection
  
  
  
  Worked Example: Total Internal Reflection Lesson
  
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  Refraction at Spherical Surface and by Lenses
  
  Select activity Curved Surface Refraction Formula
  
  
  
  Curved Surface Refraction Formula Lesson
  
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  Select activity Convex Lenses
  
  
  
  Convex Lenses Lesson
  
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  Select activity Convex Lens Examples
  
  
  
  Convex Lens Examples Lesson
  
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  Select activity Concave Lenses
  
  
  
  Concave Lenses Lesson
  
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  Select activity Virtual Object
  
  
  
  Virtual Object Lesson
  
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  Select activity Lens Maker's Formula
  
  
  
  Lens Maker's Formula Lesson
  
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  Select activity Power of a Lens
  
  
  
  Power of a Lens Lesson
  
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  Select activity Thin Lenses in Contact
  
  
  
  Thin Lenses in Contact Lesson
  
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  Select activity Thin Lens Formula Derivation
  
  
  
  Thin Lens Formula Derivation Lesson
  
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  Select activity Solved Example : Lens Formula
  
  
  
  Solved Example : Lens Formula Lesson
  
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  Select activity Worked Example: Image formed by Multiple Lenses
  
  
  
  Worked Example: Image formed by Multiple Lenses Lesson
  
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  Select activity Solved Example: Curved Surface Refraction
  
  
  
  Solved Example: Curved Surface Refraction Lesson
  
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  Select activity Solved Example: Lens Makers Formula
  
  
  
  Solved Example: Lens Makers Formula Lesson
  
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  Refraction through a Prism
  
  Select activity Minimum Deviation in a Prism
  
  Minimum Deviation in a Prism Lesson
  
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  Select activity Deriving Prism Formula
  
  Deriving Prism Formula Lesson
  
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  Optical Instruments
  
  Select activity Concave Mirror Applications
  
  
  
  Concave Mirror Applications Lesson
  
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  Select activity Simple Microscope
  
  
  
  Simple Microscope Lesson
  
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  Select activity Simple Microscope - Maximum & Minimum Power
  
  
  
  Simple Microscope - Maximum & Minimum Power Lesson
  
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  Select activity Compound Microscope
  
  
  
  Compound Microscope Lesson
  
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  Select activity Compound Microscope Numerical
  
  
  
  Compound Microscope Numerical Lesson
  
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  Select activity How Telescopes Work?
  
  
  
  How Telescopes Work? Lesson
  
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  Select activity Magnifying Power of Telescope
  
  
  
  Magnifying Power of Telescope Lesson
  
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  Select activity Telescope Numerical
  
  
  
  Telescope Numerical Lesson
  
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  Learn More…
  
  Select activity Advanced Sunrise & Delayed Sunset
  
  Advanced Sunrise & Delayed Sunset Lesson
  
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  Select activity Applications of Total Internal Reflection
  
  Applications of Total Internal Reflection Lesson
  
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Select section 10. Wave Optics

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10. Wave Optics
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  Huygens Principle
  
  Select activity Huygen's Theory of Light & Wavefronts
  
  
  
  Huygen's Theory of Light & Wavefronts Lesson
  
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  Select activity Huygen's Principle of Secondary Waves
  
  
  
  Huygen's Principle of Secondary Waves Lesson
  
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  Select activity Angle between Wavefront & Rays of Light
  
  
  
  Angle between Wavefront & Rays of Light Lesson
  
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  Refraction and Reflection of Plane Waves using Huygens Principle
  
  Select activity Reflection Laws Proof using Huygens Principle
  
  Reflection Laws Proof using Huygens Principle Lesson
  
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  Select activity Snell's Laws Proof using Huygens Principle
  
  Snell's Laws Proof using Huygens Principle Lesson
  
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  Coherent and Incoherent Addition of Waves
  
  Select activity Constructive and Destructive Interference
  
  Constructive and Destructive Interference Lesson
  
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  Select activity Worked Examples: Coherence and Interference
  
  Worked Examples: Coherence and Interference Lesson
  
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  Interference of Light Waves and Young’s Experiment
  
  Select activity Intensity in YDSE (Visual Method-Phasors) I =4Io cos^2(phi/2)
  
  
  
  Intensity in YDSE (Visual Method-Phasors) I =4Io cos^2(phi/2) Lesson
  
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  Select activity Fringe Width in Young's Double Slit Experiment
  
  
  
  Fringe Width in Young's Double Slit Experiment Lesson
  
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  Select activity Worked Examples: Overlapping Fringes (Two Wavelengths)
  
  
  
  Worked Examples: Overlapping Fringes (Two Wavelengths) Lesson
  
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  Select activity Worked Examples: Fringe Width in Double Slit Interference
  
  
  
  Worked Examples: Fringe Width in Double Slit Interference Lesson
  
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  Select activity Worked Examples: Intensity Variation in Double-Slit
  
  
  
  Worked Examples: Intensity Variation in Double-Slit Lesson
  
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  Diffraction
  
  Select activity Single Slit Interference
  
  
  
  Single Slit Interference Lesson
  
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  Select activity More on Single Slit Interference
  
  
  
  More on Single Slit Interference Lesson
  
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  Select activity Maxima in Single Slit Diffraction
  
  
  
  Maxima in Single Slit Diffraction Lesson
  
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  Select activity Worked Example: Size and Intensity of Central Maximum
  
  
  
  Worked Example: Size and Intensity of Central Maximum Lesson
  
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  Select activity Example: Diffraction Slit Width
  
  
  
  Example: Diffraction Slit Width Lesson
  
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  Polarisation
  
  Select activity Polarization of Light, Linear and Circular
  
  Polarization of Light, Linear and Circular Lesson
  
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  Learn More…
  
  Select activity How do Telescopes See Many Stars Where Our Eyes See Only One?
  
  How do Telescopes See Many Stars Where Our Eyes See Only One? Lesson
  
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  Select activity Why do Soap Bubbles Appear Colourful?
  
  Why do Soap Bubbles Appear Colourful? Lesson
  
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Select section 11.Dual Nature of Radiation and Matter

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11.Dual Nature of Radiation and Matter
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  Electron Emission
  
  Select activity Electron Emission
  
  Electron Emission Lesson
  
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  Photoelectric Effect
  
  Select activity Photoelectric Effect
  
  Photoelectric Effect Lesson
  
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  Experimental Study of Photoelectric Effect
  
  Select activity Experimental Setup & Saturation Current
  
  
  
  Experimental Setup & Saturation Current Lesson
  
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  Select activity Stopping Potential & Maximum Kinetic Energy
  
  
  
  Stopping Potential & Maximum Kinetic Energy Lesson
  
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  Select activity All Photoelectric Effect Graphs: Effect of Intensity/Frequency
  
  
  
  All Photoelectric Effect Graphs: Effect of Intensity/Frequency Lesson
  
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  Select activity Stopping Potential vs Frequency Graph
  
  
  
  Stopping Potential vs Frequency Graph Lesson
  
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  Select activity Comparing Stopping Potential and Max. Speed: Solved Example
  
  
  
  Comparing Stopping Potential and Max. Speed: Solved Example Lesson
  
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  Photoelectric Effect and Wave Theory of Light
  
  Select activity Photoelectric Effect and Wave theory of Light
  
  Photoelectric Effect and Wave theory of Light Lesson
  
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  Select activity Photo Electric Effect & Failure of Wave Theory
  
  Photo Electric Effect & Failure of Wave Theory Lesson
  
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  Einstein’s Photoelectric Equation: Energy Quantum of Radiation
  
  Select activity Einstein's Photoelectric Equation & Work Function
  
  Einstein's Photoelectric Equation & Work Function Lesson
  
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  Select activity Calculate Threshold Frequency
  
  Calculate Threshold Frequency Lesson
  
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  Particle Nature of Light: the Photon
  
  Select activity The Photon
  
  
  
  The Photon Lesson
  
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  Select activity Photon Energy
  
  
  
  Photon Energy Lesson
  
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  Select activity Photoelectric effect explanation using quantum theory
  
  
  
  Photoelectric effect explanation using quantum theory Lesson
  
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  Select activity Calculate the Number of Photons per Second
  
  
  
  Calculate the Number of Photons per Second Lesson
  
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  Select activity Which Metals will show the Photoelectric Emission?
  
  
  
  Which Metals will show the Photoelectric Emission? Lesson
  
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  Wave Nature of Matter
  
  Select activity De Broglie Wavelength
  
  De Broglie Wavelength Lesson
  
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  Select activity Comparing De Broglie Wavelengths: Solved Example
  
  Comparing De Broglie Wavelengths: Solved Example Lesson
  
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Select section 12. Atoms

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12. Atoms
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  Introduction
  
  Select activity Rutherford Scattering Experiment
  
  Rutherford Scattering Experiment Lesson
  
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  Alpha-Particle Scattering and Rutherford’s Nuclear Model of Atom
  
  Select activity Rutherford's Gold Foil Experiment
  
  Rutherford's Gold Foil Experiment Lesson
  
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  Select activity Worked Example: Distance of Closest Approach
  
  Worked Example: Distance of Closest Approach Lesson
  
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  Atomic Spectra
  
  Select activity Atomic Spectra
  
  Atomic Spectra Lesson
  
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  Bohr Model of the Hydrogen Atom
  
  Select activity Bohr Model Energy Levels
  
  Bohr Model Energy Levels Lesson
  
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  Select activity Absorption and Emission
  
  Absorption and Emission Lesson
  
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  The Line Spectra of the Hydrogen Atom
  
  Select activity Emission Spectrum of Hydrogen
  
  Emission Spectrum of Hydrogen Lesson
  
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  De Broglie's Explanation of Bohr's Second Postulate of Quantisation
  
  Select activity De Broglie's Explanation of Bohr's Second Postulate of Quantisation
  
  De Broglie's Explanation of Bohr's Second Postulate of Quantisation Lesson
  
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Select section 13. Nuclei

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13. Nuclei
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  Atomic Masses and Composition of Nucleus
  
  Select activity Atomic Number, Mass Number and Isotopes
  
  Atomic Number, Mass Number and Isotopes Lesson
  
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  Select activity Isobars
  
  Isobars Lesson
  
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  Size of the Nucleus
  
  Select activity Nuclear size and density
  
  Nuclear size and density Lesson
  
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  Mass-Energy and Nuclear Binding Energy
  
  Select activity Mass Defect and Binding Energy
  
  Mass Defect and Binding Energy Lesson
  
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  Select activity Binding Energy Graph
  
  Binding Energy Graph Lesson
  
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  Nuclear Force
  
  Select activity Nuclear Force
  
  Nuclear Force Lesson
  
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  Radioactivity
  
  Select activity Identify Types of Decay
  
  
  
  Identify Types of Decay Lesson
  
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  Select activity Alpha Decay
  
  
  
  Alpha Decay Lesson
  
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  Select activity Beta Decay
  
  
  
  Beta Decay Lesson
  
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  Select activity Gamma Decay
  
  
  
  Gamma Decay Lesson
  
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  Select activity When does Each Type of Decay Occur?
  
  
  
  When does Each Type of Decay Occur? Lesson
  
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  Nuclear Energy
  
  Select activity Nuclear Fission
  
  Nuclear Fission Lesson
  
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  Select activity Nuclear Fusion
  
  Nuclear Fusion Lesson
  
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  Learn More…
  
  Select activity Half-life
  
  
  
  Half-life Lesson
  
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  Select activity Worked example: Half-life
  
  
  
  Worked example: Half-life Lesson
  
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  Select activity Worked Example: Fraction of Undecayed Nuclei
  
  
  
  Worked Example: Fraction of Undecayed Nuclei Lesson
  
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  Select activity Activity and Mean life
  
  
  
  Activity and Mean life Lesson
  
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Select section 14. Semiconductor Electronics : Materials, Devices and Simple Circuits

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14. Semiconductor Electronics : Materials, Devices and Simple Circuits
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  Introduction
  
  Select activity Introduction to Semiconductors
  
  Introduction to Semiconductors Lesson
  
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  Select activity Why Atomic Theory doesn't Work for Solids?
  
  Why Atomic Theory doesn't Work for Solids? Lesson
  
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  Classification of Metals, Conductors and Semiconductors
  
  Select activity Conductors, Insulators and Semiconductors
  
  Conductors, Insulators and Semiconductors Lesson
  
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  Select activity Band Theory of Solids
  
  Band Theory of Solids Lesson
  
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  Intrinsic Semiconductor
  
  Select activity Intrinsic Semiconductors
  
  Intrinsic Semiconductors Lesson
  
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  Select activity Generation and recombination in semiconductors
  
  Generation and recombination in semiconductors Lesson
  
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  Extrinsic Semiconductor
  
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  Extrinsic Semiconductors N-type Lesson
  
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  Select activity Extrinsic Semiconductors P-type
  
  
  
  Extrinsic Semiconductors P-type Lesson
  
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  Select activity Minority Charge Carriers in Extrinsic Semiconductors
  
  
  
  Minority Charge Carriers in Extrinsic Semiconductors Lesson
  
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  p-n Junction
  
  Select activity The p-n Junction
  
  The p-n Junction Lesson
  
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  Select activity Diffusion, Drift & Barrier Voltage
  
  Diffusion, Drift & Barrier Voltage Lesson
  
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  Semiconductor Diode
  
  Select activity Forward Biasing a p-n Junction
  
  
  
  Forward Biasing a p-n Junction Lesson
  
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  Select activity Reverse Biasing a p-n Junction
  
  
  
  Reverse Biasing a p-n Junction Lesson
  
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  Select activity Forward and Reverse Current Mechanism
  
  
  
  Forward and Reverse Current Mechanism Lesson
  
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  Select activity p-n Diode Characteristics
  
  
  
  p-n Diode Characteristics Lesson
  
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  p-n Breakdown and Avalanche Lesson
  
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  Application of Junction Diode as a Rectifier
  
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  Half Wave Rectifiers Lesson
  
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  Select activity Full Wave Rectifiers
  
  Full Wave Rectifiers Lesson
  
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