Dual Nature Of Light Question 311
Question: Photon of 5.5 eV energy fall on the surface of the metal emitting photoelectrons of maximum kinetic energy 4.0 eV. The stopping voltage required for these electrons are [Orissa (Engg.) 2002; DPMT 2004]
Options:
A) 5.5 $ V $
B) 1.5 $ V $
C) 9.5 $ V $
D) 4.0 $ V $
Show Answer
Answer:
Correct Answer: D
Solution:
$ {K_{\max }}=eV_{0} $
Þ $ eV_{0}=4eV $
Þ $ V_{0}=4V $
BETA
