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UV light of 4.13 eV is incident on a photosensitive metal surface having work function 3.13 eV . The maximum kinetic energy of ejected photoelectrons will be:

Options

  1. A4.13 eV
  2. B3.13 eV
  3. C1 eV
  4. D7.26 eV

Correct answer

C. 1 eV

Step-by-step solution

aligned & E _ photon =( work function )+ K E _ & 4.13=3.13+ K E _ & K _ max =1 eV aligned

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