Dual Nature Of Light Question 340
Question: The light rays having photons of energy 1.8 eV are falling on a metal surface having a work function 1.2 eV. What is the stopping potential to be applied to stop the emitting electrons [BHU 2005]
Options:
A) 3 eV
B) 1.2 eV
C) 0.6 eV
D) 1.4 eV
Show Answer
Answer:
Correct Answer: C
Solution:
Stopping potential = $ 1.8,eV-1.2,eV=0.6,eV. $
BETA
