If a source of solid is moving, a stationary listener wil...
If a source of solid is moving, a stationary listener will hear a sound of different frequency. This is called?
doppler effect
resonance
ultra sound
rarefaction
Correct answer is A
The Doppler effect or Doppler shift is the change in frequency of a wave in relation to an observer who is moving relative to the wave source.
The drop in pitch of ambulance sirens as they pass by and the shift in red light are common examples of the Doppler Effect.
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