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5 Nov 2019
A metal foil has a threshold frequency of 5.45 times 1014 Hz. Which of the colors of visible light have enough energy to eject electrons from this metal.
A metal foil has a threshold frequency of 5.45 times 1014 Hz. Which of the colors of visible light have enough energy to eject electrons from this metal.
Elin HesselLv2
21 Apr 2020