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The Doppler effect: a. is the basic explanation for the blue shift of light in our Universe. b. occurs when the pitch of a sound

  • The Doppler effect:
  • a. is the basic explanation for the blue shift of light in our Universe.
  • b. occurs when the pitch of a sound gets lower if the source is receding.
  • c. can be applied only to sound waves.
  • d. occurs when the frequency of sound waves received is lower if the wave source is m

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