InterviewSolution
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InterviewSolution
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Two waves of equal amplitude A, and equal frequency travel in the same direction in a medium. The amplitude of the resultant wave is.(a) 0(b) A(c) 2A(d) between 0 and 2A. |
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Answer» (d) between 0 and 2A. EXPLANATION: The amplitude of the resultant wave depends on the phase difference between the two waves. If the phase difference is zero then the resultant amplitude is maximum = A+A = 2A. But if the phase difference is π, then the resultant amplitude is minimum =A-A = 0. So the amplitude of the resultant wave is between 0 and 2A depending on the phase difference. |
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