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 \(E\) ?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
Correct Answer: Option C
Explanation: