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If a photon with energy 5 eV strikes a metal with work function 3 eV, what is the kinetic energy of the emitted electron?

Practice Questions

1 question
Q1
If a photon with energy 5 eV strikes a metal with work function 3 eV, what is the kinetic energy of the emitted electron?
  1. 2 eV
  2. 3 eV
  3. 5 eV
  4. 8 eV

Questions & Step-by-step Solutions

1 item
Q
Q: If a photon with energy 5 eV strikes a metal with work function 3 eV, what is the kinetic energy of the emitted electron?
Solution: Kinetic energy (K.E.) = Photon energy - Work function = 5 eV - 3 eV = 2 eV.
Steps: 0

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