Dual Nature Of Light Question 263
Question: When the light source is kept 20 cm away from a photo cell, stopping potential 0.6 V is obtained. When source is kept 40 cm away, the stopping potential will be [MP PMT 1994]
Options:
A) 0.3 V
B) 0.6 V
C) 1.2 V
D) 2.4 V
Show Answer
Answer:
Correct Answer: B
Solution:
Stopping potential does not depend on the relative distance between the source and the cell.
BETA
