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Choose the correct option? The minimum...

Choose the correct option?
The minimum distance between the source of sound and reflection surface for the clear of hearing of sound is
A. 17.2 m
B. 20 m
C. 1.7 m
D.19.2 m

A

17 m

B

20 m

C

1.7 m

D

19.2 m

Text Solution

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CHETANA PUBLICATION-SOUND-EXERCISE
  1. Choose the correct option? The distance between two consecutive crest...

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  2. Choose the correct option? The wave number of two sound waves are 0....

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  3. Choose the correct option? The echo and the original sound differ in...

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  4. Choose the correct option? The minimum distance between the source o...

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  5. Choose the correct option? The Doppler's Effect is not applicable

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  6. The velocity of sound islargest in

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  7. The loudness of a sound depends upon ………… .

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  8. Choose the correct option? The minimum distance between the source o...

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  9. Define amplitude?

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  10. On what does the speed of mechanical waves depend?

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  11. Define Doppler effect for sound waves?

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  12. Wave motion is doubly periodic. Explain.

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  13. What isthe effect of humidity of air on velocity of sound?

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  14. Why can an echo not be heard at every place?

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  15. The speed of sound in air is 330m//s and that in glass is 4500m//s. Wh...

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  16. An echo sounder in a fishing boat receives an echo from a shoal of fis...

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  17. State common properties between Doppler effect of sound and light.

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  18. A police car travels towards a stationary observer at a speed of 15 m/...

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  19. State medical applications of acoustics?

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  20. Derive the relation between velocity, frequency and wavelength of a wa...

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