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Physics · 2026 · 1 mark
Dual Nature of Radiation and MatterExperimental Study of Photoelectric Effect1 markAnalyseassertion reason
CBSE 2026 · Region 2 · Set 1 · Q13
Assertion (A): On increasing the intensity of incident light of frequency v(>v_0) on a photosensitive surface, the photocurrent increases. Reason…
Assertion (A) : On increasing the intensity of incident light of frequency $\displaystyle v\left(>v_{0}\right)$ on a photosensitive surface, the photocurrent increases.
Reason (R) : The stopping potential for a photosensitive surface increases with increase of frequency $\displaystyle v\left(>v_{0}\right)$ of incident light.
Official answer
(B)
Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
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