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A police car moving at 22 m//s, chases a...

A police car moving at `22 m//s`, chases a motorcyclist. The police man sounds his horn at 176 Hz while both of them move towards a stationary siren of frequency 165 Hz. Calculate the speed of the motorcycle, if it is given that he does not observe any beats.

A

`33 m//s`

B

`22 m//s`

C

zero

D

`11 m//s`

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TARGET PUBLICATION-Sound-Exercise
  1. A source of sound is travelling towards a stationary observer. The fre...

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  2. A man is watching two trains, one leaving and the other coming in with...

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  3. A police car moving at 22 m//s, chases a motorcyclist. The police man ...

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  4. An observer moves towards a stationary source of sound with a speed 1/...

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  5. The number of waves contained in unit length of the medium is called

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  6. An observer standing at the sea coast observes 54 waves reaching the c...

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  7. The propagation of sound waves is not possible in space because

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  8. In an orchestra, the musical sounds of different instruments are disti...

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  9. A stone is dropped into a lake from a tower 500 metre high. The sound ...

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  10. Consider the following I. Waves created on the surfaces of a water p...

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  11. An earthquake generates both transverse (S) and longitudinal (P) sound...

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  12. A light pointer fixed to one prong of a tuning fork touches a vertical...

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  13. It is possible to distinguish between the transverse and longitudinal ...

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  14. When an aeroplane attains a speed higher than the velocity of sound in...

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  15. It takes 2.0 seconds for a sound wave to travel between two fixed poin...

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  16. Oxygen is 16 times heavier than hydrogen. Equal volumes of hydrogen an...

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  17. A string of mass 2.5 kg is under a tension of 200 N The length of the ...

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  18. Water waves produced by a motor boat sailing in water are

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  19. A man standing between two cliffs claps his hands and starts hearing s...

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  20. When we hear a sound, we can identify its source from .

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