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A metal is illuminated with a radiation of energy 6.88eV If the kinetic energy of the ...

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.
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  • 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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