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MHT CET 2021 (23 Sep, Shift 2) · YDSE: Fringe Width & Fringe Positions

YDSE: Fringe Width & Fringe Positions question from MHT CET 2021 (23 Sep, Shift 2)

Q48MHT CET 2021 · 23 SEP · SHIFT 2Easy

YDSE: Fringe Width & Fringe Positions

In Young's double slit experiment, the distance of $n$ th dark band from the central bright band in terms of bandwidth ' $\beta$ ' is

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Answer: (c)

Dark fringe positions: $y_n = (2n-1)\frac{\lambda D}{2d} = \left(n - \frac{1}{2}\right)\beta$
So the answer is (c) $(n - 0.5)\beta$ .

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