Given figure shows few data points in a photo electric effect experiment for a certain metal. Th...

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Given figure shows few data points in a photo electric effect experiment for a certain metal. The minimum energy for ejection of electron from its surface is (Plancks constant \( \mathrm{h} \) \( =6.62 \times 10^{-34} \mathrm{Js} \) )
(a) \( 2.59 \mathrm{eV} \)
(b) \( 2.27 \mathrm{eV} \)
(c) \( 1.93 \mathrm{eV} \)
(d) \( 2.10 \mathrm{eV} \)
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