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A photon of wavelength 450 nm strikes a ...

A photon of wavelength 450 nm strikes a metal surface whose work function is 2.5 eV. Calculate
the energy of the photon

Text Solution

Verified by Experts

Energy of the photon, `E=(hc)/(lamda)=(6.626xx10^(-34) Js xx3.0xx10^(8) ms^(-1))/(450xx10^(-9) m)=4.4xx10^(-19) J`
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BRILLIANT PUBLICATION-STRUCTURE OF ATOMS-LEVEL - I
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