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in a photoelectric effect experiment, a beryllium surface ( work function = 8.01 x 10^-19 J)...

in a photoelectric effect experiment, a beryllium surface ( work function = 8.01 x 10^-19 J) is bombarded with photons form a 125-nm source of electromagnetic radiation. a) what is the energy of the incident photons? b) what is the maximum speed of electrons emitted from the beryllium's surface?

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OHS. | Page No. Date いanela 2 hu he 刁 6.626 10-34 す 125 x 10 E 1-59 x 10-12す h2 nudent enou ti ラ 7.89 X 10-193 9.1-x-10-31 ma

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