Section: 2. Units & Measurements | Physics - KhanAcademy

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  Measurement of Length
  
  Select activity Parallax in observing stars
  
  
  
  Parallax in observing stars Lesson
  
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  Select activity Stellar distance using parallax
  
  
  
  Stellar distance using parallax Lesson
  
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  Select activity Stellar parallax clarification
  
  
  
  Stellar parallax clarification Lesson
  
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  Measurement of Length, Measurement of Mass
  
  Select activity Scale of the large
  
  Scale of the large Lesson
  
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  Select activity Scale of the small
  
  Scale of the small Lesson
  
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  Accuracy, precision of instruments and errors in Measurement
  
  Select activity Why do we need significant figures?
  
  Why do we need significant figures? Lesson
  
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  Significant Figures
  
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  Rules for determining significant figures Lesson
  
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  Select activity Multiplying and dividing with significant figures
  
  
  
  Multiplying and dividing with significant figures Lesson
  
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  Select activity Addition and subtraction with significant figures
  
  
  
  Addition and subtraction with significant figures Lesson
  
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  Select activity Scientific notation examples
  
  
  
  Scientific notation examples Lesson
  
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  Select activity Significant figures
  
  
  
  Significant figures Lesson
  
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  More on significant figures Lesson
  
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  Express a small number in scientific notation (example) Lesson
  
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  Dimensions of Physical Quantities
  
  Select activity Fundamental and Derived quantities
  
  Fundamental and Derived quantities Lesson
  
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  Dimensional Analysis and Its Applications
  
  Select activity 1st application of Dimensional analysis
  
  1st application of Dimensional analysis Lesson
  
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  Select activity Worked example: Dimensional analysis
  
  Worked example: Dimensional analysis Lesson
  
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2. Units & Measurements

Section outline

Measurement of Length

Measurement of Length, Measurement of Mass

Accuracy, precision of instruments and errors in Measurement

Significant Figures

Dimensions of Physical Quantities

Dimensional Analysis and Its Applications

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