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Nafis Ahmad posted an Question
April 18, 2020 • 02:40 am 30 points
  • IIT JAM
  • Physics (PH)

Two coherent plane waves of light of equal amplitude and each of wavelength 10t x 10" m, 2t propagating at an angle of 40pn radian with respect to each other, f

Two coherent plane waves of light of equal amplitude and each of wavelength 10t x 10" m, 2T propagating at an angle of 40pn radian with respect to each other, fall almost normally on a screen. The fringe-width (in mm) on the screen is (A) (C) 54x 10 54 x 103 (B) (D) 0.054 0.54

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    Abhishek singh best-answer

    Option B is correct. best regards.

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    plz explain me abt how it came D=d/theta..??? means when is such condition applied ....

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    theta is equal to (arc/radius)... I will attached a pic.

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    yaa i understood the formula ...thanks a lot...🙂

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