The Doppler effect states that the frequency of a sound emitted by a moving sound source is in front of the sound source than behind it.
A)higher
B)lower
C)simpler

Question

Quizplus · Accepted Answer

When a sound source is moving towards a stationary listener, the sound waves ahead of the source are compressed, resulting in a higher frequency (shorter wavelength) perceived by the listener. Conversely, when the sound source is moving away from the listener, the sound waves are stretched, resulting in a lower frequency (longer wavelength) perceived by the listener.

The Doppler Effect States That the Frequency of a Sound