An electron and a photon each have a wavelength 1.00 nm. Find
(i) their momenta,
(ii) the energy of the photon and
(iii) the kinetic energy of electron.

Explanation

(a) `6.63xx10^(-25)kgm//s" (for both)"`
(b) 1.24 keV
(c) 1.51 eV