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Given below is some function of x and t to represent the displacement of an elastic wave. y = 10 cos [(252 – 250) πt ] cos [(252+250)πt ]

Options

  1. Aa travelling wave along –x direction
  2. Ba stationary wave
  3. Cbeats
  4. Da travelling wave along +x direction.

Correct answer

C. beats

Step-by-step solution

Correct Option is : (C) beats

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