When a metal was exposed to photons at a frequency of 4.90Ã 1015 sâ1, electrons were emitted with a maximum kinetic energy of 4.00Ã 10â19 J. Calculate the work function of this metal. 2. What is the maximum number of electrons that could be ejected from this metal by a burst of photons (at some other frequency) with a total energy of 6.89Ã 10â7 J?â

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Nestor RutherfordLv2

13 Dec 2019

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