Q. In extrinsic $P$ and $N$-type semiconductor materials, the ratio of the impurity atoms to the pure semiconductor atoms is about
A) 1
B) $10^{- 1}$
C) $10^{- 4}$
D) $10^{- 7}$
Explanation
The correct answer is Option D: $10^{- 7}$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.