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11. ध्वनि

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  भूमिका
  
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  ध्वनि का उत्पादन
  
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  ध्वनि का संचरण
  
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  ध्वनि का संचरण Lesson
  
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  Select activity ध्वनि संचरण के लिए माध्यम की आवश्यकता होती है
  
  
  
  ध्वनि संचरण के लिए माध्यम की आवश्यकता होती है Lesson
  
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  Select activity ध्वनि तरंग
  
  
  
  ध्वनि तरंग Lesson
  
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  Select activity ध्वनि तरंग के अभिलक्षण
  
  
  
  ध्वनि तरंग के अभिलक्षण Lesson
  
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  Select activity ध्वनि तरंग के अभिलक्षण
  
  
  
  ध्वनि तरंग के अभिलक्षण Lesson
  
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  Select activity 11.1 NCERT प्रश्न
  
  
  
  11.1 NCERT प्रश्न Lesson
  
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  Select activity 11.1 RECALL TEST
  
  
  
  11.1 RECALL TEST Lesson
  
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  Select activity 11.1 CONCEPT TEST 1
  
  
  
  11.1 CONCEPT TEST 1 Lesson
  
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  Select activity 11.1 CONCEPT TEST 2
  
  
  
  11.1 CONCEPT TEST 2 Lesson
  
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  ध्वनि का परावर्तन
  
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  ध्वनि का परावर्तन Lesson
  
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  Select activity अनुरणन
  
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  श्रव्यता का परिसर
  
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  पराध्वनि के अनुप्रयोग
  
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  पराध्वनि के अनुप्रयोग Lesson
  
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  Select activity सोनार
  
  
  
  सोनार Lesson
  
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  Select activity 11.2 RECALL TEST
  
  
  
  11.2 RECALL TEST Lesson
  
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  Select activity 11.2 CONCEPT TEST 1
  
  
  
  11.2 CONCEPT TEST 1 Lesson
  
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  Select activity 11.2 CONCEPT TEST 2
  
  
  
  11.2 CONCEPT TEST 2 Lesson
  
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  सारांश
  
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Started in 2023, JEET is on a Not-for-profit Mission to unite all the NGOs deeply engaged in education (sports & vocational included). The steering NGO of JEET is Ramakrishna Sarada Samti, www.rkssngo.org.

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