Course: Science Subtest I
Lesson: Optics and Waves
Topic: The Doppler Effect and Polarization      Page 1 of 22  

Diagnostic Question



1. The Doppler effect may refer to

Athe change of pitch heard as the source of a sound approaches or recedes from the listener
Bthe reflection of sound waves from a rigid surface
Cthe pulsating quality of two similar tones played together
Dthe change in amplitude of sound waves as the source recedes from the listener