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When a metal was exposed to photons at a frequency of 4.68× 1015 s–1, electrons were...

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Chemistry

When a metal was exposed to photons at a frequency of 4.68× 1015s–1, electrons were emitted with a maximum kinetic energy of 5.70×10–19 J. Calculate the work function of this metal. What is themaximum number of electrons that could be ejected from this metalby a burst of photons (at some other frequency) with a total energyof 8.81× 10–7 J?

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