What is the Doppler Effect?
The Doppler Effect is when wave energy, for example sound or radio waves,
travel from two objects. The wavelength can seem to be changed if one or
both of them are moving.
travel from two objects. The wavelength can seem to be changed if one or
both of them are moving.
Quiz Question
If an ambulance moves toward you and then passes and moves away from you, how would its siren sound?
A. It would have a continuous higher frequency
B. The frequency would go up and then go down as it moved away from you
C. It would have a continuous lower frequency
A. It would have a continuous higher frequency
B. The frequency would go up and then go down as it moved away from you
C. It would have a continuous lower frequency
By: Aly Meyers