Q465
When two similar sources vibrate with slightly different frequencies, a regular rise and fall occurs in the loudness of tone. This phenomenon is known as
A.
Doppler effect
B.
Beats
AnswerC.
Resonance
D.
Echo
Answer: Option B
Solution
Answer: Option B
Solution:
When two similar sources vibrate with slightly different frequencies, a regular rise and fall occurs in the loudness of tone. This phenomenon is known as beats.