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If sound velocity is v, velocity of obse...

If sound velocity is v, velocity of observer is `v_0` and velocity of source is `v_s`, then necessary condition for Doppler's effect to be observed is

A

`v_(s) lev, v_(0) le v`

B

`v_(s) gt v, v_(0)gtv`

C

`v_(s)ltv, v_(0)le v`

D

`vs ltv,v_(0)ltv`

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TARGET PUBLICATION-Sound-Exercise
  1. When both source and listener approach each other with a velocity equa...

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  2. The difference between the apparent frequency 71. of a source of sound...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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