CBSE 2026 · Region 1 · Set 2 · Q10 · 1 mark
The angular width of interference fringes in Young's double-slit experiment depends on
Official answer
From CBSE’s own marking scheme for this paper.
(C)
both wavelength of light used and the slits separation
Wave OpticsInterference of Light Waves and Young’s ExperimentRemembermcqmedium
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CBSE Class 12 Physics past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.