Physics, 26.10.2019 01:43, julz338

Platinum, which is widely used as a catalyst, has a work function  (the minimum energy needed to eject an electron from the metal surface) of 9.05 × 10–19 j. what is the longest wavelength of light which will cause electrons to be emitted?

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Platinum, which is widely used as a catalyst, has a work function  (the minimum energy needed to ej...