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Physics, 17.12.2019 19:31 cheergirl2133

Photons of energy 7.0 ev strike a metal whose work function is 2.3 ev. ke of the most energetic photoelectron is
5.2 ev
3.8 ev
4.7 ev
7.4 ev
9.3 ev

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Photons of energy 7.0 ev strike a metal whose work function is 2.3 ev. ke of the most energetic phot...
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