Dual Nature Of Light Question 306
Question: Photons of energy 6 eV are incident on a metal surface whose work function is 4 eV. The minimum kinetic energy of the emitted photo-electrons will be [MP PET 2001]
Options:
A) 0 eV
B) 1 eV
C) 2 eV
D) 10 eV
Show Answer
Answer:
Correct Answer: A
Solution:
Minimum kinetic energy is always zero.