When photons of energy
fall on an aluminum plate (of work function
), photoelectrons of maximum kinetic energy
are ejected. If the frequency of radiation is doubled, the maximum kinetic energy of the ejected photoelectrons will be
Text Solution
Verified by ExpertsThe correct answer is:
A
Let
and
be the maximum kinetic energy of photoelectrons for incident light of frequency
and 20 respectively
According to Einstein’s photoelectric equation,

and 

[using (i)]
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