The periodic rise and fall in the intensity of sound produced when two notes of nearly equal frequencies are sounded together is called?

By: |Published on: Jan 9|Categories: Physics WAEC| 0 comments

A. doppler effect
B. beat
C. interference
D. resonance

Correct Answer:

Option B – beat

Explanation

Beat, in physics, the pulsation caused by the combination of two waves of slightly different frequencies.

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