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Statement-1 : Description of sound as pr...

Statement-1 : Description of sound as pressure wave is preferred over displacement wave
Statement-2 : Source sensors (ear or mike) detect pressure changes.

A

Statement-1 is true, Statement-2 is true , Statement-2 is correct explanation for Statement-9

B

Statement-1 is true,Statement-2 is true , Statement-2 is NOT a correct explanation for Statement-9

C

Statement-1 is true, Statement-2 is false

D

Statement-1 is false, Statement-2 is true

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The correct Answer is:
A
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It is usually more convenient to describe a sound wave in terms of pressure wave as compared to displacement wave because – (1) Two waves of same intensity but different frequencies have different displacement amplitude but same pressure amplitude (2) The human ear responds to the change in pressure and not to the displacement wave. (3) The electronic detector (microphone) does respond to the change in pressure but not to the displacement. (4) None of the above

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Statement 1 : Electromagnetic waves exert pressure called radiation pressure. Statement-2 : This is because they carry energy.

Statement-1: The quality of sound in independent of the listerner's distance from the source of sound Statement-2: The speed of sound in air is independent of the frequency of sound waves.

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ALLEN-WAVES AND OSCILLATIONS-Part-1(Exercise-03)
  1. Statement-1 : The superposition of the waves y(1) = A sin(kx - omega t...

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  2. Statement-1 : Mechanical transverse waves cannot be generated in gaseo...

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  3. Statement-1 : Description of sound as pressure wave is preferred over ...

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  4. Statement-1 : During thunderstrom, light is seen much earlier than the...

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  5. Statement-1 : During thunderstrom, light is seen much earlier than the...

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  6. Statement-1 : Earthquakes cause vast devastation. Sometimes short and ...

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  7. Statement-1 : Shock waves produced by supersonic aircraft may be visib...

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  8. Statement-1 : In the case of a stationary wave, a person hear a loud s...

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  9. Statement I: waves genrated in a metal piece can be transverse or long...

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  10. Statement-1 : A balloon filled with CO(2) gas acts as a coverging lens...

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  11. Statement-1 : Node of pressure wave is formed at the open end of an or...

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  12. Statement-1 : If transverse waves are produced in a very long string f...

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  13. Statement-1 : When two vibrating tuning forks have f(1) = 300 Hz and f...

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  14. Statement-1 : The fundamental frequency of an organ pipe increases as ...

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  15. The figure represents the instantaneous picture of a transverse wave t...

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  16. The figure represents the instantaneous picture of a transverse wave t...

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  17. The figure represents the instantaneous picture of a transverse wave t...

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  18. The figure represents the instantaneous picture of a transverse wave t...

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  19. The figure represents the instantaneous picture of a transverse wave t...

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  20. A narrow tube is bend in the form of a circle of radius R, as shown in...

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