A-Level
EDEXCEL
Physics
January 2021
9 Marks
QP-202101-Physics-U2 · Question 17
Question (excerpt):
17 Ultraviolet light of wavelength 20.0 nm is incident on a metal surface. The metal has a work function of 3.68 eV. Electrons are released by the photoelectric effect. (a) Calculate the maximum speed…
17 Ultraviolet light of wavelength 20.0 nm is incident on a metal surface. The metal has a work function of 3.68 eV. Electrons are released by the photoelectric effect. (a) Calculate the maximum speed…
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