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The photoelectric cut-off voltage in cer...

The photoelectric cut-off voltage in certain experiment is 1.5 V. What is the maximum kinetic energy of photoelectrons emitted ?

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Given, cut - off voltage , `V_0=1.5V`
Since, maximum kinetic energy,
`K_(max)=eV_0`
`=1.5xx1.6xx10^(-19)J`
`=2.4xx10^(-19)J.`
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