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

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsDual Nature of Radiation and Matter1 Mark
Question
Give the unit of work function.
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Answer

One electron volt is the kinetic energy gained by an electron when it is accelerated through a potential difference of $1$ volt.
Therefore, $1 \ eV = 1.602 \times 10^{-19 }J.$

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