The ratio of the maximum photoelectron kinetic energy to the work function will be 3:1.
When a medium receives electromagnetic radiation, electrostatically charged particles are emitted from or inside it.
The emission of ions from a steel plate when light falls on it is a common definition of the effect. The substance could be a solid, liquid, or gas; and the released particles could be protons or electrons.
A particular metal emits photoelectrons when exposed to light with energy three times its work function:
[tex]\rm KE=3 \phi[/tex]
The ratio of the maximum photoelectron kinetic energy to the work function will be;
[tex]R=\frac{E}{\phi} \\\\ R=\frac{3 \phi}{\phi} \\\\ R= 3[/tex]
Hence, the ratio of the maximum photoelectron kinetic energy to the work function will be 3:1.
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