Physics-(general)
NEET Physics (general) MCQ Question
Type: MCQ-numerical-Hard-Class 12
In an intrinsic semiconductor at T > 0 K, what is the primary reason for the movement of electrons from the valence band to the conduction band?
A
Thermal energy excites electrons.
B
The energy gap is zero.
C
The conduction band is already partially filled.
D
The lattice structure changes with temperature.
Correct Answer
Option A
Detailed Explanation
Thermal energy at T > 0 K excites electrons from the valence band to the conduction band, as described in Chunk 2.
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