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KCET2008PhysicsWaves and Sound

The equation of a simple harmonic wave is given by y=6 2 (2 t-0.1 x) , where and are in mm and is in seconds. The phase difference between two particles 2 ~mm apart at any instant is

Options

  1. A18^
  2. B36^
  3. C54^
  4. D72^

Correct answer

D. 72^

Step-by-step solution

From the given equation k =0.2 aligned 2 &=0.2 &=10 ~mm &= 2 x = 2 10 2= 2 5 =72^ aligned

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