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Three sound waves of equal amplitudes have frequencies (f-1), (f) and (f+1). They superpose to give beats. Find the number of beats produced per second.

Three sound waves of equal amplitudes have frequencies (f-1), (f) and (f+1). They superpose to give beats. Find the number of beats produced per second.

Grade:11

2 Answers

Arun
25758 Points
4 years ago
Dear student
MAXIMUM NUMBER OF BEATS = FREQUENCY ( MAXIMUM )  –  FREQUENCY ( MINIMUM )
=  (f+1) – (f-1)
=  2
hope it helps
Khimraj
3007 Points
4 years ago
beats = fmax – fmin = f+1 – (f-1) = 2
Hope it clears.

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