When photon of energy 4.0 eV strikes the surface of a metal 
, the ejected photoelectrons have maximum kinetic energy 
end de Broglie wavelength 
. The maximum kinetic energy of photoelectrons liberated from another metal 
by photon of energy 4.50 eV is 
. If the de Broglie wavelength of these photoelectrons 
, then the work function of metal 
is
Text Solution
Verified by ExpertsThe correct answer is:
C
…… ..(i)
and 
…… ..(ii)
From Eqs. (i) and (ii),
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