White light, with frequencies ranging from 4.00 x 10^14 hz to 7.90 x 10^14 hz, is incident on a barium surface. given that the work function of barium is 2.52 ev, find:
(a) the maximum kinetic energy of electrons ejected from this surface.
(b) the range of frequencies for which no electrons are ejected.
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White light, with frequencies ranging from 4.00 x 10^14 hz to 7.90 x 10^14 hz, is incident on a bari...
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