Question

Choose the correct statement

• A. Beats are due to destructive interference
• B. Maximum beat frequency audible to a human being is 20
• C. Beats are as a result of Doppler's effect
• D. Beats are due to superposition of two waves of nearly equal frequencies

Answer 1

Answer: (D)

Beats are the periodic and repeating fluctuation heard in the intensity of sound when two sound waves of very similar frequencies interfere with one another.