When photons of energy hv fall on metal plate of work function ' 
', photoelectrons of maximum kinetic energy ' 
' are ejected. If the frequency of the radiation is doubled, the maximum kinetic energy of the ejected photoelectrons will appear
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
According to Einstein's photo-electric effect,
where 
is the maximum kinetic energy.
Given, 
Therefore, the new maximum kinetic energy is given by
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