Dual Nature Of Light Question 186
Question: In a photoelectric experiment, the wavelength of the light incident on a metal is changed from 300 nm to 400 nm. The decrease in the stopping potential (in V) is $ ( \frac{hc}{e}=1240nm-V ) $
Options:
A) 1
B) 3
C) 4
D) 6
Show Answer
Answer:
Correct Answer: A