Published by:
CGP EDU Academic Team
Published on: September 12, 2026
The surface of a metal is illuminated alternately with photons of energies 
= 4eV and 
= 2.5eV respectively. The ratio of maximum speeds of the photoelectrons emitted in the two cases is 2. The work function of the metal in (eV) is
Text Solution
Verified by ExpertsThe correct answer is:
2
(2)
Given 
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