In a Young's double-slit experiment

PHYSICS · Single correct · A Level · Physics · Waves · Waves

Problem

3. In a Young's double-slit experiment, the slit separation is doubled. To maintain the same fringe spacing on the screen, the screen-to-slit distance DD must be changed to (A) D/2D / 2 (B) D2\frac{D}{\sqrt{2}} (C) 2D\sqrt{2} \mathrm{D} (D) 2D2 D

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