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Two cars are approaching each other with...

Two cars are approaching each other with same speed of `20 m//s`. A man in car A fires bullets at regular intervals of 10 seconds. What will be the time interval noted by a man in car B between 2 bullets?
(Velocity of sound `340 m//s`)

A

11.1

B

10 s

C

8.9 s

D

12 s

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TARGET PUBLICATION-Sound-Exercise
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  8. The difference between the apparent frequency 71. of a source of sound...

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  9. If sound velocity is v, velocity of observer is v0 and velocity of sou...

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  10. Consider a source of sound S and an observer P. The frequency of sound...

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  11. A car is travelling with a velocity of 40 m//s towards a source of sou...

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  12. What should be the velocity of sound from a source w.r.t. an observer,...

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  13. The frequency of a whistle of the engine of an express train moving wi...

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  14. Two cars are moving on two perpendicular roads towards a crossing with...

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  15. An observer starts moving with uniform acceleration ‘a’ towards a stat...

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  16. The frequency of a note emitted by a source changes by 20% as it appro...

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

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

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

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

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