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Class : 6
Subject : Science
Unit : 7.40 Lesson :Sound
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1.) What are the uses of sound?
2.) What is wave?
3.) What are the sources of sound?
4.) How is sound produced?
5.) What is the propagation of sound wave?
6.) How does sound wave propagates? Explain.
7.) What is longitudinal wave?
8.) Explain propagation of sound wave in solid medium.
9.) Explain propagation of sound wave in liquid medium.
10.) Explain propagation of sound wave in gas medium.
11.) Does sound travel in vacuum? Why?
12.) During thunder storm sound is heard after sometime of lightning. Why?
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