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Chemistry 7 Online
OpenStudy (anonymous):

When a metal was exposed to light at a frequency of 4.23× 1015 s–1, electrons were emitted with a kinetic energy of 4.80× 10–19 J. What is the maximum number of electrons that could be ejected from this metal by a burst of light (at some other frequency) with a total energy of 3.27× 10–7 J?

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