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The photo electric cut off voltage in a ...

The photo electric cut off voltage in a certain experiment is `1.5V`. What is the maximum kinetic energy of photoelectrons emitted?

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Kinetic energy `= 1.5 eV`
`=1.6 xx10^(-19)xx1.5`
`K.E. - 2.40xx 10^(-19)J or 1.5` eV.
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