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MHT CET 2023 (13 May, Shift 2) · Progressive Wave Equation

Progressive Wave Equation question from MHT CET 2023 (13 May, Shift 2)

Q53MHT CET 2023 · 13 MAY · SHIFT 2Easy

Progressive Wave Equation

The equation of a progressive wave is Y=asin⁡2π(nt−x5)Y = a\sin 2\pi\left(nt - \frac{x}{5}\right). The ratio of maximum particle velocity to wave velocity is

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Answer: (b)

  1. Y=asin⁡(2πnt−2π5x)Y = a\sin\left(2\pi n t - \frac{2\pi}{5}x\right), so k=2π5k = \frac{2\pi}{5}.
  2. vmaxv=aωω/k=ak=2πa5\frac{v_{max}}{v} = \frac{a\omega}{\omega/k} = ak = \frac{2\pi a}{5}
  3. So the answer is (b) 2πa5\frac{2\pi a}{5}.
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