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Question 31308
JEE Physics · Medium

Waves on String: Power in Waves MCQ

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Power in WavesMediumQuestion 31308

Question

Average power transmitted by a sinusoidal wave on string is:
  1. A
    ½μω²A²v
    Correct
  2. B
    μω²A²v
  3. C
    ½μA²v
  4. D
    ½μω²Av

Correct answer

½μω²A²v

Explanation

P = ½μω²A²v. Power is proportional to square of amplitude and square of frequency.

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