A light energy $E$ falls on a metal and the electrons with a maximum kinetic energy of $0.2 \mathrm{eV}$ are $C$ ejected. If the work function of the metal is $0.3 \mathrm{eV}$, what is the value of $E$ ?

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Monday, 21 April 2025

A light energy $E$ falls on a metal and the electrons with a maximum kinetic energy ...

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A light energy E falls on a metal and the electrons with a maximum kinetic energy ...

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Correct Answer: C

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A light energy $E$ falls on a metal and the electrons with a maximum kinetic energy ...