MCQ
In case of a moving source of sound approaching the observer:
  • Wavelength of sound appears to be less.
  • B
    Wavelength of sound appears to be more.
  • C
    The frequency appears to be less.
  • D
    None of these.

Answer

Correct option: A.
Wavelength of sound appears to be less.
When source approaches the observer, apparent wavelength of sound decreases.

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