CBSE 2025 · Region 6 · Set 1 · Q11 · 1 mark
The momentum (in $\displaystyle \mathrm{kg} \mathrm{m} / \mathrm{s}$ ) of a photon of frequency $\displaystyle 6.0 \times 10^{14} \mathrm{~Hz}$ is :
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle 1.326 \times 10^{-27}$
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CBSE Class 12 Physics past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.