Find the photon energy in (i) calories (ii) watt hour (iii) electron volt, for e.m. wave of
Channel: Doubtnut
Date: 2020-08-02

Find the photon energy in (i) calories (ii) watt hour (iii) electron volt, for e.m. wave of wavelength `300 mu m`. Give, `h=6.6xx10^-34Js.`