Dual Nature Of Light Question 288
Question: The photoelectric threshold wavelength of a certain metal is 3000Å. If the radiation of 2000Å is incident on the metal [MNR 1998; KCET 1994]
Options:
A) Electrons will be emitted
B) Positrons will be emitted
C) Protons will be emitted
D) Electrons will not be emitted
Show Answer
Answer:
Correct Answer: A
Solution:
For electron emission $ {\lambda_{incident}}<{\lambda_{0}} $
BETA
