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A whistle of frequency 500 Hz tied to th...

A whistle of frequency 500 Hz tied to the end of a string of length 1.2 m revolves at 400 rev / min . A listener standing some distance away in the plane of rotation of whistle hears frequencies in the range (speed of sound = 340 m / s )

A

436 to 586

B

426 to 574

C

426 to 584

D

436 to 674

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The correct Answer is:
A
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ERRORLESS -WAVES AND SOUND-Doppler s Effect
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  7. A source is moving towards an observer with a speed of 20 m / s and ha...

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  10. A siren emitting sound of frequency 800Hz is going away from a static ...

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  12. What should be the velocity of a sound source moving towards a station...

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  13. Two trains are moving towards each other at speeds of 20 m/s and 15 m/...

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  14. A small source of sound moves on a circle as shown in figure and an ob...

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  15. A source and an observer approach each other with same velocity 50 m/s...

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  16. A source emits a sound of frequency of 400 Hz , but the listener hears...

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  17. Doppler effect is applicable for

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  18. A source and an observer are moving towards each other with a speed eq...

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  19. When an engine passes near to a stationary observer then its apparent ...

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