What is the maximum velocity of a photoelectron emitted from a surface with work function 3.5 eV when illuminated by 289 nm ultraviolet light? (melectron = 9.11 × 10^?31 kg, h = 6.63 × 10^?34 J?s, 1 eV = 1.60 × 10^?19 J, and 1 nm = 10?9 m)

a. 3.75E+5 m/s
b. 5.31E+5 m/s
c. 7.28E+2 m/s
d. 8.62E+5 m/s
e. 1.60E+6 m/s


b

Physics & Space Science

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