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Olympiad workbookNSEPWaves and Sound

Two factories are sounding their sirens at 400 Hz each. A man walks from one factory towards the other at a speed of 2 ~m / s . The velocity of sound is 320 ~m / s . The number of beats heard by the person in one second will be

Options

  1. A6
  2. B5
  3. C4
  4. D2.5

Correct answer

B. 5

Step-by-step solution

No Solution

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