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Photoelectric Effect

The photoelec...

Question

The photoelectric cut-off voltage in a certain experiment is $1.5$ volt. What is the maximum kinetic energy of the photoelectron emitted?

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Solution

Cut off voltage $= V = 1.5 v$
Maximum Kinetic energy of photoelectron $= e V = 1.5 e V = 2.4 \times 10^{- 19} J$

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