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COMEDK2017PhysicsWaves and Sound

A particle on the trough of a wave at any instant will come to the mean position after a time (T= time period )

Options

  1. AT 2
  2. BT 4
  3. CT
  4. D2 T

Correct answer

B. T 4

Step-by-step solution

As total time period of a wave is T . The wave motion can be shown as From figure, it can be seen that time taken by the particle to move from trough to its mean position i.e., from R to S is T^ = T / 2 2 = T 4

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