Physics-(general)
NEET Physics (general) Assertion Reason Question
Type: Assertion Reason-assertion-Easy-Class 12
Assertion (A): In semiconductors, the valence band is completely occupied at absolute zero. | Reason (R): The valence band and conduction band in semiconductors are separated by a small energy gap at absolute zero.
A
Both A and R are true and R is the correct explanation of A.
B
Both A and R are true but R is not the correct explanation of A.
C
A is true but R is false.
D
A is false.
Correct Answer
Option A
Detailed Explanation
In semiconductors, the valence band is fully occupied by electrons at absolute zero, and the conduction band is empty. The separation by a small energy gap supports this configuration.
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