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

A police car moving at 22 m/s, chases a motorcylist. 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 observes any beats

A

`33 m//s`

B

`22 m//s`

C

zero

D

`11 m//s`

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Verified by Experts

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

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RESONANCE-SOUND WAVES-Exercise- 2 PART - I
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  2. The ratio of the speed of sound in nitrogen gas to that in helium gas,...

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  3. Two monoatomic ideal gases 1 and 2 of molecular masses m(1) and m(2) r...

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  4. A closed pipe resonates at its fundmental frequency of 300 Hz. Which o...

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  5. A closed organ pipe and an open organ pipe have their first overtones ...

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  6. An open pipe is suddenly closed at one end with the result that the fr...

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  7. There is a set of four tuning forks , one with the lowest frequency vi...

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  8. Two second sources produce progressive waves given by y(1) = 12 cos 10...

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  9. A fixed source of sound emitting a certain frequency appears as f(a) w...

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  10. When a train approaches a stationary observer, the apparent frequency ...

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  11. A police car moving at 22 m/s, chases a motorcylist. The police man so...

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

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

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  14. A train blowing its whistle moves with a constant velocity v away from...

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  15. In the case of sound waves, wind a blowing from source to reciver with...

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  16. Two sound sources emitting sound each of wavelength lambda are fixed a...

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  17. A source on a swing which is covering an angle theta from the vertical...

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  18. A car is approching a railway crossing at a speed of 72 kmph. It sound...

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  19. Two identical source moving parallel to each other at seperation 'd' a...

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  20. A source which is emitting sound of frequency f is initially at (-r,0)...

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