Published by:
CGP EDU Academic Team
Published on: August 14, 2026
When a metallic surface is illuminated with monochromatic light of wavelength
, the stopping potential is
. When the same surface is illuminated with light of wave length
, the stopping potential is
. Then the work function of metallic surface is
Text Solution
Verified by ExpertsThe correct answer is:
C

Solving (i) & (ii), we get

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