A metal is illuminated with a radiation of energy 6.88eV If the kinetic energy of the emitted electrons is 1.5OeV, calculate the work function of the metal.
A.
0.22eV
B.
4.59eV
C.
5.38eV
D.
8.38eV
E.
10.32eV
Correct Answer: Option C
Explanation
Work function = Total energy - kinetic Energy
= 6.88 - 1.50 = 5.38 ev
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