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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 kinetic energy

Text Solution

Verified by Experts

`KE=hv -W_(0)=4.4xx10^(-19)J-(2.5 eV xx1.6xx10^(-19) J eV^(-1))=4.0xx10^(-18) J`
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BRILLIANT PUBLICATION-STRUCTURE OF ATOMS-LEVEL - I
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