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Class 12PhysicsDual Nature of Radiation and matterEinstein's Photoelectric Equation and Energy Quantum of Radiation
Easy

Two photons, each having an energy of $2.5 \ eV$, are incident on a metal surface with a work function of $4.5 \ eV$. Then . . . . . . .

  • A
    The kinetic energy of the emitted electron is $0.5 \ eV$.
  • B
    The kinetic energy of the emitted electron is $2 \ eV$.
  • C
    The kinetic energy of the emitted electron ranges from $0$ to $0.5 \ eV$.
  • D
    Emission of electrons is not possible.
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Class 12 Questions

Class 12

Physics Questions

Chapter

Dual Nature of Radiation and matter

Subtopic

Einstein's Photoelectric Equation and Energy Quantum of Radiation

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