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If the path difference is lambda, what w...

If the path difference is `lambda`, what will be the phase difference?

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The correct Answer is:
2 `pi`
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Knowledge Check

  • Statement I : If the phase difference between the light waves passing through the slits in the Young's experiment is pi radian the central fringe will be dark. Statement II. Phase differene is equal to (2 pi)/(lambda) times the path difference .

    A
    Statement I is true statement II is true , statement II is a correct explanation for statement I.
    B
    Statement I is true statement II is true statement II is not a correct explanation for statement I.
    C
    Statement I is true statement II is false.
    D
    Statement I is false, statement II is true.

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