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Physics · 2024 · 1 mark
Semiconductor Electronics: Materials, Devices and Simple CircuitsExtrinsic Semiconductor1 markAnalyseassertion reason
CBSE 2024 · Region 3 · Set 1 · Q13
Assertion (A): In a semiconductor, the electrons in the conduction band have lesser energy than those in the valence band. Reason ( R ): Donor energy…
Assertion (A) : In a semiconductor, the electrons in the conduction band have lesser energy than those in the valence band. Reason ( $\displaystyle R$ ) : Donor energy level is just above the valence band in a semiconductor.
Official answer
(D)
Assertion (A) is false and Reason (R) is also false.
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CBSE Class 12 Physics past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.