Dual Nature Of Light Question 252
Question: A photon of energy 3.4 eV is incident on a metal having work function 2 eV. The maximum K.E. of photo-electrons is equal to [MP PET 1991]
Options:
A) 1.4 eV
B) 1.7 eV
C) 5.4 eV
D) 6.8 eV
Show Answer
Answer:
Correct Answer: A
Solution:
- $ {K_{\max }}=(E-W_{0})=(3.4-2)\ eV=1.4\ eV $
BETA
