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

Bihar BoardEnglish MediumSTD 12 SciencePhysicsDual Nature of Radiation and Matter1 Mark
Question
The work function of a metal is 2 eV . Explain its meaning.
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Answer

For emission of electrons from the metal, they will have to give minimum 2 eV energy per electron.

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