CBSE 2024 · Region 3 · Set 1 · Q14 · 1 mark
Assertion (A) : Photoelectric effect demonstrates the particle nature of light.
Reason (R) : Photoelectric current is proportional to frequency of incident radiation.
Official answer
From CBSE’s own marking scheme for this paper.
(C)
Assertion (A) is true, but Reason (R) is false.
Dual Nature of Radiation and MatterPhotoelectric Effect and Wave Theory of LightAnalyseassertion_reasonmedium
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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.