CBSE 2023 · Region 5 · Set 3 · Q7 · 1 mark
E, c and $\displaystyle v$ represent the energy, velocity and frequency of a photon. Which of the following represents its wavelength?
Official answer
From CBSE’s own marking scheme for this paper.
(C)
$\displaystyle \frac{\mathrm{hc}}{\mathrm{E}}$
Dual Nature of Radiation and MatterParticle Nature of Light: The PhotonRemembermcqeasy
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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.