'Beats' is a phenomenon that occurs when two waves of slightly different frequencies interfere with each other. This interference results in periodic variations in the intensity of the combined wave, heard as a waxing and waning of sound (or seen as flickering in light).
'Beats' is a phenomenon that occurs when frequencies of two harmonic waves are
Asked in UPSC NDA 1 2021 · Topic: Wave Motion (Principle of Superposition of Waves)
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