CBSE 2024 · Region 2 · Set 2 · Q8 · 1 mark
A photosensitive surface has a work function of $\displaystyle 2 \cdot 00 \mathrm{eV}$. The maximum kinetic energy of electrons ejected from this surface by radiation of wavelength $\displaystyle 300$ nm is :
Official answer
From CBSE’s own marking scheme for this paper.
(C)
1.$\displaystyle 61$ eV
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 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.