AP Physics 2mediummcq1 pt
A photon of 6.0 eV hits a metal with work function 2.0 eV. The ejected electron's maximum kinetic energy is
A.4.0 eV
B.6.0 eV
C.8.0 eV
D.2.0 eV
Explanation
Core Concept
Kₘax = hf − φ = 6.0 − 2.0 = 4.0 eV.
Correct Answer
A4.0 eV
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