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Interference pattern is observed at ' P ' due to superimposition of two rays coming out from a source ' S ' as shown in the figure. The value of ' l ' for which maxima is obtained at ' P ' is: ( R is perfect reflecting surface)

Options

  1. A1= 2 n 3 -1
  2. B.1= (2 n -1) 2( 3 -1 )
  3. C.1= (2 n-1 ) 3 4(2- 3 )
  4. D1= (2 n -1) 3 -1

Correct answer

C. .1= (2 n-1 ) 3 4(2- 3 )

Step-by-step solution

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