Physics · Dual Nature of Radiation and Matter
The work function of a metal is defined as:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The minimum energy needed by an electron to escape from the metal surface.✓
- 2The minimum energy needed by an electron to escape from the nucleus of the metallic atom.
- 3The minimum energy needed by a nucleon to escape from the nucleus of the metal.
- 4The total work done by an electron during its conduction inside the bulk of the metal.
Correct answer
The minimum energy needed by an electron to escape from the metal surface.
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