CBSE 2023 · Region 2 · Set 3 · Q12 · 1 mark
A ray of light travels a distance of $\displaystyle 12.0$ m in a transparent sheet in $\displaystyle 60$ ns . The refractive index of the sheet is
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle 1.50$
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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.