Q. The mass of a photo electron is
A) $9.1 \times 10^{- 27}kg$
B) $9.1 \times 10^{- 29}kg$
C) $9.1 \times 10^{- 31}kg$
D) $9.1 \times 10^{- 34}kg$
Explanation
The correct answer is Option C: $9.1 \times 10^{- 31}kg$.
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.