CBSE 2026 · Region 4 · Set 2 · Q12 · 1 mark
In an experiment on photoelectric emission, the intensity of incident radiation is halved keeping its frequency constant. As a result :
Official answer
From CBSE’s own marking scheme for this paper.
(B)
maximum kinetic energy of photoelectrons will remain the same.
Dual Nature of Radiation and MatterExperimental Study of Photoelectric EffectUnderstandmcqeasy
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CBSE Class 12 Physics past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.