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The engine of a train sound a whistle at...

The engine of a train sound a whistle at frequency v, the frequency heard by a passenger is

A

`gt f`

B

`lt f`

C

`= 1//f`

D

`= f`

Text Solution

Verified by Experts

The correct Answer is:
D
`v_(s) = v_(0), f' = f`
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CP SINGH-SOUND WAVES-Exercises
  1. If in an experimental determination of the velocity of sound using a K...

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  2. The change in frequency due to Doppler effect does not depend on

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  3. The engine of a train sound a whistle at frequency v, the frequency he...

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

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  5. A source of sound moves towards an observe.

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  6. A listener is at rest with respect to the source of sound. A wind star...

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  7. A tuning fork of frequency 90 Hz is sounded and moved towards an obser...

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  8. A source and a listener are both moving towards each other with speed ...

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  9. A source of sound is travelling towards a stationary observer. The fre...

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  10. The difference between the apparent frequency of a sound of soun as pe...

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  11. A train is moving at 30 m//s in still air. The frequency of the locomo...

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  12. In previous question, what would be the apparent wavelengths in front ...

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  13. An engine is moving on a circular track with a constant speed. It is b...

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  14. A train has just completed a U-curve in a trach which is a semi circle...

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  15. A man is standing on a railway platform listening to the whistle of an...

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  16. A car is moving with a velocity of 5 m//s towards huge wall. The drive...

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  17. A whistle revolves in a circle with an angular speed of 20 rad//sec us...

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  18. A police car moving at 22m//s, chases motorcyclist. The police man so...

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  19. A train moves towards a stationary observer with speed 34 m//s. The tr...

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  20. A siren placed at a railway platform is emitting sound of frequency 5 ...

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