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Dual Nature of Radiation and Matter — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsDual Nature of Radiation and Matter1 Mark
MCQ
The work function is called:
  • A
    The energy required to taken out the electron from its orbit.
  • B
    The incident energy at the unit area, which can emit electron from the metal surface.
  • ✓
    The minimum energy per nucleon to emit an electron from the metal surface.
  • D
    Incident energy to emit the electron from the metal surface.
✓

Answer

Correct option: C.
The minimum energy per nucleon to emit an electron from the metal surface.
(C) - The minimum energy per nucleon to emit an electron from the metal surface.

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