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Assuming the temperatature to be constan...

Assuming the temperatature to be constant, as we go up in the atmosphere, the velocity of sound

A

increases

B

decreases

C

remains constant

D

first increases and then decreases

Text Solution

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The correct Answer is:
C
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AAKASH INSTITUTE-WAVES-Assignment (Section-A)
  1. if tension of a wire is increased to 3 times, the wave speed becomesth...

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  2. At room temperature (27^(@)C) the velocity of sound in air is 330 m/s....

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  3. Assuming the temperatature to be constant, as we go up in the atmosphe...

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  4. The wavelength of the note emitted by a tuning fork of frequency 100 H...

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  5. The change in phase if a wave is reflected from a rigid surface is

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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