Dual Nature Of Light Question 316
Question: The threshold wavelength for photoelectric effect of a metal is 6500 Å. The work function of the metal is approximately [MP PMT 2002]
Options:
A) 2 eV
B) 1 eV
C) 0.1 $ eV $
D) 3 eV
Show Answer
Answer:
Correct Answer: A
Solution:
$ {\lambda_{0}}=\frac{12375}{6500}=1.9\ eV\approx 2eV $ .
BETA
