CBSE 2023 · Region 3 · Set 1 · Q8 · 1 mark
In the wave picture of light, the intensity I of light is related to the amplitude A of the wave as :
Official answer
From CBSE’s own marking scheme for this paper.
(C)
$\displaystyle \mathrm{I} \propto \mathrm{A}^{2}$
Wave OpticsCoherent and Incoherent Addition of WavesRemembermcqeasy
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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.