What is the Doppler effect in sound waves?
A. When an object is moving perpendicular to the di...
What is the Doppler effect in sound waves?
A. When an object is moving perpendicular to the direction of sound waves they compress.
B. Where an object's motion causes sound waves to be compressed or rarified.
C. When an object is moving in the same direction as sounds waves they rarify.
D. When an object is moving in the opposite direction from sound waves they compress.
Answers: 3
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