Chemistry, 26.08.2019 17:20 lexi8938

Aphoton of wavelength 4 x 10 -7 m strikes on metal surface , the work fuction of the metal being 2.13 ev. calculate (i) the energy of the photon. (ii) the kinetic energy of the emission , and (iii) the velocity of the photoelectron (1ev = 1.602 x 10 -19 j)

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