When a metal is irradiated by monochromatic light, the maximum kinetic energy of the photoelectrons is 1.2 eV. If frequency of the light is increased 
, then maximum kinetic energy of photoelectron is 3.6 eV. Evaluate the work function of the metal.
Text Solution
Verified by ExpertsThe correct answer is:
A
Given:
For frequency 
:
…… .(i)
For frequency 
:
…… .(ii)
Subtract (i) from (ii):
Now from (i):
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