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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 of a metal is:
  • A
    The minimum current required to take out electron from the metal surface.
  • B
    The maximum frequency required to take out electron from the metal surface.
  • C
    The minimum amount of energy required to take out the electron from the metal surface.
  • D
    None of these.
✓

Answer

  1. The minimum amount of energy required to take out the electron from the metal surface.

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