Q. The value of stopping potential in the following diagram

A) $- 4V$
B) $- 3\ V$
C) $- 2V$
D) $- 1\ V$
Explanation

(a) Stopping potential is that negative potential for which photo electric current is zero

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.