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In a Young's double slit experiment, if there is no initial phase-difference between the light from the two slits, a point on the screen corresponding to the fifth minimum has path difference.

Options

  1. A5 2
  2. B10 2
  3. C9 2
  4. D11 2

Correct answer

C. 9 2

Step-by-step solution

In a YDSE, the path difference for n th minima is given by y=(2 n-1) 2 For 5 th minima, n =5 y=[2(5)-1] 2 = 9 2

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