When a metallic surface is illuminated with monochromatic light of wavelength 
, the stopping potential is 
. When the same surface is illuminated with light of wavelength 
, the stopping potential is 
. The work function of the metallic surface is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
…… (i)
…… .(ii)
from Eqs. (i) and (ii), we get 
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