Dual Nature Of Light Question 277
Question: The maximum kinetic energy of photoelectrons emitted from a surface when photons of energy 6 eV fall on it is 4 eV. The stopping potential in volts is [IIT JEE 1997 Re-Exam]
Options:
A) 2
B) 4
C) 6
D) 10
Show Answer
Answer:
Correct Answer: B
Solution:
$ {K_{\max }}=( ,|V_{s}|, ),eV $
$ \Rightarrow ,|V_{s}|,=,4V $