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The echo of a gunshot is heard 10 second...

The echo of a gunshot is heard 10 seconds after it is fired. If the velocity of sound is 330 m/s, the distance of the surface which reflects the sound is

A

33 m

B

3300 m

C

135 m

D

1650 m

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The correct Answer is:
D
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AAKASH INSTITUTE-WAVES-Assignment (Section-A)
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  2. The change in phase if a wave is reflected from a rigid surface is

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  3. The echo of a gunshot is heard 10 seconds after it is fired. If the ve...

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  4. For constructive interference, the phase difference between the two in...

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  5. The periodic waves of amplitude 5 m and 2m respectively, pass togethe...

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  6. Two waves of same amplitude a and frequency v and having a phase diffe...

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  7. Two waves of equal amplitude when superposed, give a resultant wave ha...

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  8. The change in phase, if a wave is reflected at a less dense surface, i...

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  9. Two waves of equation y(1)=acos(omegat+kx) and y(2)=acos(omegat-kx) ...

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  10. The equation of a stationary a stationary wave is represented by y=4...

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  11. The wavelength of the fundamental note produced by a pipe of length 2m...

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  12. The ratio of fundamental frequencies of an open organ pipe and a cloed...

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  13. if the first overtone of a closed pipe of length 50 cm has the same fr...

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  14. Two waves of frequencies 6 Hz and 10 hz are superposed. The beat frequ...

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  15. Two waves of wavelengths 99 cm and 100 cm produce 4 beats per second. ...

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  16. A tuning fork produces 2 beats per second when sounded with another tu...

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  17. Two waves of frequencies 50 Hz and 45 Hz are produced simultaneously, ...

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  18. A set of 10 tuning forks is arranged in series of increasing frequency...

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  19. The displacement at a pont due to two waves are given by y(1)=2sin(50p...

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  20. if the speed of a sound source is equal to the speed fo sound and the ...

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