The stopping potential \( V_{0} \) (in volt) as a function of \( \m...

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The stopping potential \( V_{0} \) (in volt) as a function of
\( \mathrm{P} \) frequency \( (v) \) for a sodium

W emitter, is shown in the figure. The work function (in \( \mathrm{eV} \) ) of sodium, from the data plotted in the figure, will be
(Given : Planck's constant \( (h)=6.63 \times 10^{-34} \mathrm{~J} \mathrm{~s} \),
electron charge \( e=1.6 \times 10^{-19} \mathrm{C} \) )
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