InterviewSolution
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InterviewSolution
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When beats are produced by two progressive waves of nearly the same frequency, which one of the following if correct?A. The particle vibrates simple harmonically , with the frequency equal to the difference in the component frequenciesB. The amplitude of vibration at any point changes simple harmonically with a frequency equal to the difference in the frequencies of the two wavesC. The frequency of beats depends upon the position , where the observer isD. The frequency of beats changes at the time progresses |
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Answer» Correct Answer - B As ` y = A_(b) sin ( 2 pi n_(av) t)` where `A_(b) = 2 A cos ( 2 pi n_(A) t)` ltwhere `n_(A) = (n_(1) - n_(2))/(2)` |
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