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2.9 A photon of wavelength 4 × 10 m strikes on metal surface, the work function of the metal being 2.13 eV. Calculate (ii) the kinetic energy of the emission

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The photon is having a wavelength of 4\times 10^{-7}m strikes on a metal surface, where the work function of the metal being is 2.13\ eV.

The kinetic energy of the emission will be:

K.E. = h\nu - h\nu_{o} = 3.10 - 2.13\ eV = 0.97\ eV

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Divya Prakash Singh

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