CBSE 2023 · Region 5 · Set 2 · Q11 · 1 mark
Figure shows a plot of stopping potential $\displaystyle \left(\mathrm{V}_{0}\right)$ versus $\displaystyle \frac{1}{\lambda}$, where $\displaystyle \lambda$ is the wavelength of the radiation causing photoelectric emission from a surface. The slope of the line is equal to
Official answer
From CBSE’s own marking scheme for this paper.
(C)
$\displaystyle \frac{\mathrm{hc}}{\mathrm{e}}$
Dual Nature of Radiation and MatterEinstein’s Photoelectric Equation: Energy Quantum of RadiationApplymcqmedium
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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.