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MHT CET202020 Oct 2020Evening ShiftPhysicsWaves and SoundActual

An engine is moving on a circular path of radius 200 ~m with speed of 15 ~m / s . What will be the frequency heard by an observer who is at rest at the centre of the circular path, when engine blows the whistle with frequency 250 ~Hz ?

Options

  1. ALess than 250 ~Hz
  2. BGreater than 250 ~Hz
  3. C250 ~Hz
  4. DZero

Correct answer

C. 250 ~Hz

Step-by-step solution

No Solution.

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