Dual Nature Of Light Question 254

Question: The photoelectric threshold wavelength for a metal surface is 6600 Å. The work function for this is [MP PET 1991]

Options:

A) 1.87 V

B) 1.87 eV

C) 18.7 eV

D) 0.18 eV

Show Answer

Answer:

Correct Answer: B

Solution:

$ W_{0}=\frac{12375}{6600}=1.87,eV. $