The Doppler Effect: Definition, Examples & Applications


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question 1 of 3

When a light source is quickly approaching you, you may perceive a

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1. While the actual frequency does not change, the apparent frequency may change if the wave source is

2. An ambulance siren moving toward you will have a _____ pitch than when it is traveling away from you.

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About This Quiz & Worksheet

The quiz's questions focus on your understanding of how the Doppler effect is related to sound. You'll have to use your knowledge of key phrases to determine what happens in particular scenarios.

Quiz & Worksheet Goals

The quiz tests you on the following topics:

  • Sonic booms
  • Blue shifts
  • Red shifts
  • Frequency
  • Pitch

Skills Practiced

You will practice these skills:

  • Interpreting information - verify that you can read information regarding actual and apparent frequency and interpret it correctly
  • Information recall - access the knowledge you've gained regarding sonic booms
  • Knowledge application - use your knowledge to answer questions about an ambulance siren

Additional Learning

Peruse the related lesson called The Doppler Effect: Definition, Examples & Applications. The lesson will help you absorb even more information about the Doppler effect, including:

  • Sound waves and shock waves
  • Edwin Hubble and Vesto Slipher
  • Light waves