Published by:
CGP EDU Academic Team
Published on: August 14, 2026
A metal exposed to light of wavelength 
and emits photoelectrons with a certain kinetic energy. The maximum kinetic energy of photo-electron doubles when light of wavelength 
is used. The work function of the metal is (Take hc 
.
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Eliminating 
from
(1) and (2) we get
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