CBSE 2023 · Region 5 · Set 1 · Q6 · 1 mark
In a Young's double-slit experiment, the screen is moved away from the plane of the slits. What will be its effect on the following?(i)Angular separation of the fringes.(ii)Fringe-width.
In a Young's double-slit experiment, the screen is moved away from the plane of the slits. What will be its effect on the following?
(i)
Angular separation of the fringes.
(ii)
Fringe-width.
Official answer
From CBSE’s own marking scheme for this paper.
(C)
(i) remains constant, but (ii) increases.
Wave OpticsInterference of Light Waves and Young’s ExperimentUnderstandmcqmedium
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CBSE Class 12 Physics past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.