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In Young’s double slit experiment, show that: where the terms have their usual meaning.

Physics20243 marksDerivation
In Young’s double slit experiment, show that: $\beta = \frac{\lambda D}{d}$ where the terms have their usual meaning.

Given: Two coherent sources separated by distance d, screen at distance D, and path difference $\Delta x = \frac{yd}{D}$

To show: $\beta = \frac{\lambda D}{d}$

Answer

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Wave Optics

From ISC 2024 Physics Paper 1, question 13(ii).