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Three sound waves of equal amplitudes have frequencies `(v - 1), v, (v + 1)`. They superpose to give beats. The number of beats produced per second will be :A. `n`B. 2C. 1D. `3n` |
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Answer» Correct Answer - C `underset(1hz)(f_(1))underset(2hz)(f_(2))underset(3hz)(f_(3))` `t=0 0 0` `t=1 sec. 1//2 sec. 1//3 sec. T=1 sec. ` `f=1hz. Ans. (C )` |
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