First slide

Photo Electric Effect

Question

Relation between the stopping potential Vo of a metal and the maximum velocity v of the photo electrons is

Easy

A

${V_o} \propto \frac{1}{{{v^2}}}$
B

${V_o} \propto {v^2}$
C

${V_o} \propto v$
D

${V_o} \propto \frac{1}{v}$

Solution

$e V_{0} = \frac{1}{2} m {(v_{m a x})}^{2}$

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