Physics, 17.06.2021 15:20 thawngmawi
Light with a wavelength of 5.0 · 10-7 m strikes a surface that requires 2.0 ev to eject an electron. Calculate the energy, in joules, of one incident photon at this frequency.
joules
4.0 x 10 -19
9.9 x 10 -32
1.1 x 10 -48
4.0 x 10 -49
Answers: 3
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Light with a wavelength of 5.0 · 10-7 m strikes a surface that requires 2.0 ev to eject an electron....
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