A metal with a work function of 3.0ev is irradiated with ultraviolet light of energy 4.0 ev. The kinetic energy of the ejected electron is
a
1.0eV
b
3.0eV
c
4.0eV
d
7.0eV
Explanation
Correct Option
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Joshtheshort
4 years ago
Total energy= kinetic energy+work function
Total energy=4
Work function=3
Kinetic energy=4-3=1
