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State whether the following statements a...

State whether the following statements are True or False:
A hard and flat surface is a good reflector of sound.

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NAVNEET PUBLICATION-STUDY OF SOUND-EXERCISE
  1. State whether the following statements are True or False: Loudness is...

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  2. State whether the following statements are True or False: Infrasound ...

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  3. State whether the following statements are True or False: A hard and ...

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  4. State whether the following statements are True or False: Cloths, curt...

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  5. Find the odd one out and give the reason: Paper, clothes, mat, metal ...

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  6. Find the odd one out and gice the reason: Sound waves, waves on the s...

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  7. Match the following :

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  8. Answer the following questions: What is sound?

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  9. Answer the following questions: What is vibration? Give one example.

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  10. Answer the following questions: What is wave?

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  11. What is wave motion ?

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  12. Answer the following questions: How is sound produced? How does it p...

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  13. Answer the following questions: Define compression

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  14. Answer the following questions: Define Rarefaction.

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  15. Answer the following questions: Define wavelength.

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  16. Answer the following questions: Define one oscillation/vibration.

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  17. Answer the following questions: Define frequency.

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  18. Answer the following questions: Define time period.

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  19. Define amplitude of the wave.

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  20. Answer the following questions: Define speed of sound.

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