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Home Q & A Board Science-Related Homework Help Physics
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micha8l micha8l
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11 years ago
the cathode in a vacuum has the egress photocell 2.48 eV energy, The illuminated with light of wavelength 0.46 u m

a) Find the maximum kinetic energy, the released electrons
b) How much voltage is needed to stop them?
(if no electrons are released from the cathode)
c) determine the limit wavelength?


THANK YOU!
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micbarmicbar
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Posts: 16
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11 years ago
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