A metal has a work function of 3.6 eV. Light of 248 nm falls on it. What is the stopping potential? Use hc = 1240 eV nm.

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A metal has a work function of $3.6\ \text{eV}$ . Light of $248\ \text{nm}$ falls on it. What is the stopping potential? Use $hc = 1240\ \text{eV nm}$ .

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