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A man standing between two cliffs claps ...

A man standing between two cliffs claps his hands and starts hearing series of echoes at interval of one second. Since the speed of sound in air is `340 m//s`, the distance between cliffs must be

A

1020 m

B

680 m

C

170 m

D

34 m

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TARGET PUBLICATION-Sound-Exercise
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  4. When we hear a sound, we can identify its source from .

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  5. Choose the correct option? The distance between two consecutive crest...

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  6. A source of sound of frequency 512 Hz is placed inside water. The spee...

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  7. A man is standing between two parallel cliffs and fires a gun. If he h...

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  8. A wave of frequency 512 Hz has a velocity of 320 m s^(-1). The distanc...

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  9. Assertion: The water waves in the ocean are always normal to the shore...

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  10. The smallest change in sound intensity that can be detected by the hum...

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  11. a narrow pulse for example a short pip by a whistle is sent across a m...

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  12. If the bulk modulus of water is 2100 MPa, what is the speed of sound i...

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  13. Choose the correct option? If pressure of air gets doubled, then velo...

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  14. Wavelength of the transverse wave is 30 cm. If the particle at some in...

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  15. A tuning fork has frequency 512 Hz. The number of vibrations of the fo...

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  16. Assertion: A tuning fork is made of an alloy of steel, nickel and chro...

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  17. If the splash is heard 4.23 s after a stone is dropped into a pit in w...

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  18. A closed organ pipe of length L and an open organ pipe contain gases o...

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  19. A man is watching two trains, one leaving and the other coming in with...

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  20. Which of the following requires a medium for their propogation?

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