Q.
If the lattice constant of this semiconductor is decreased, then which of the following is correct?
A) All $E_{c},\ \ E_{g},\ \ E_{v}$ increase
B) $E_{c}$ and $E_{v}$ increase, but $E_{g}$ decreases
C) $E_{c}\ $and $E_{v}$ decrease, but $E_{g}$ increases
D) All $E_{c},\ \ E_{g},\ \ E_{v}$ decreases
Explanation
(c) If lattice constant of semiconductor is decreased, then $E_{c}\ $and $E_{v}$ decrease, but $E_{g}$ increases.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.