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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 energy for the electron to enter into the metal
  • B
    The energy for producing X−ray
  • C
    The energy for the electron to come out from metal surface
  • D
    None of these
✓

Answer

  1. The energy for the electron to come out from metal surface

Explanation:

The work function of a metal is the energy for the electron to come out from metal surface.

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