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An engine driver moving towards a wall w...

An engine driver moving towards a wall with velocity of `50 ms^(-1)` emits a note of frequnecy `1.2 kHz`. The frequency of note after reflection from the wall as heard by the engine driver when speed of sound in air is `350 ms^(-1)` is :

A

`1 kHz`

B

`1.8 kHz`

C

`1.6 kHz`

D

`1.2 kHz`

Text Solution

Verified by Experts

The correct Answer is:
C
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RESONANCE-SOUND WAVES-Exercise- 1 PART - II
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  7. If lambda(1), lambda(2), lambda(3) are the wavelengths of the waves gi...

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  8. An open organ pipe of length L vibrates in its fundamental mode. The p...

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  15. Three sound waves of equal amplitudes have frequencies (v - 1), v, (v ...

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  16. A closed organ pipe and an open organ pipe of same length produce 4 be...

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  17. Which of the following does not affect the apparent frequency in doppt...

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