Two light waves of wavelengths
and
incident on a metal surface. The maximum velocity of photoelectrons produced due to one wavelength is
of the maximum velocity of the photoelectrons produced due to the other wavelength, then the work function of the metal is
Text Solution
Verified by ExpertsThe correct answer is:
A
By Einstein photoelectric equation
,
where 
,
where 
Subtracting (ii) from (i), we get





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