The work function of a metal is 1.55 eV. A photon of wavelength 300 nm strikes on metal surface. Calculate the kinetic energy of the photoelectron. (1 eV = 1.6 × 10–19 J, h = 6.63 × 10–34 Js)
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use Einstein photoelectric equation with 1ev=1
.6×10^-19joule and 1nm=10^-9m
.6×10^-19joule and 1nm=10^-9m
loylld99:
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