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A man sitting in a moving train hears th...

A man sitting in a moving train hears the whistle of the engine. The frequency of the whistle is 600 Hz

A

The apparent frequency as heard by him is smaller than 600 Hz

B

The apparent frequency is larger than 600 Hz

C

The frequency as heard by him is 600 Hz

D

None of the above

Text Solution

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The correct Answer is:
C
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ERRORLESS -WAVES AND SOUND-Doppler s Effect
  1. A source of sound and listener are approaching each other with a speed...

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  2. A siren emitting sound of frequency 500 Hz is going away from a static...

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  3. A man sitting in a moving train hears the whistle of the engine. The f...

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  4. A source of sound of frequency 500 Hz is moving towards an observer wi...

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  5. A source of sound of frequency 90 vibrations/ sec is approaching a sta...

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  6. A whistle of frequency 500 Hz tied to the end of a string of length 1....

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

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  8. If source and observer both are relatively at rest and if speed of sou...

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  9. A source and an observer move away from each other with a velocity of ...

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  10. A source is moving towards an observer with a speed of 20 m / s and ha...

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

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

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

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  14. A car sounding a horn of frequency 1000 Hz passes an observer. The rat...

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

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

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

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

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

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  20. Doppler effect is applicable for

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