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AP EAMCET201824 Apr 2018Evening ShiftPhysicsWave OpticsActual

Two coherent sources S₁, S₂ and a screen are arranged as shown in the figure. If the distance between the two coherent sources is n and the distance of the screen from the nearer coherent source is D, then the distance of the first bright fringe on the screen from the point ' O ' is ( is the wavelength of the light emitted by the coherent sources )

Options

  1. AD(D+n ) n
  2. B2 D(D+n ) n
  3. C3 D ( D + n ) n
  4. DD(D+n ) 2 n

Correct answer

B. 2 D(D+n ) n

Step-by-step solution

No solution. Refer to answer key.

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