Dual Nature Of Light Question 289
Question: A photocell stops emission if it is maintained at 2V negative potential. The energy of most energetic photoelectron is [JIPMER 1999]
Options:
A) 2eV
B) 2J
C) 2kJ
D) 2keV
Show Answer
Answer:
Correct Answer: A
Solution:
$ {K_{\max }}=(,|V_{0}|,),eV=2eV. $