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Stopping Potential Revisited

A photocell s...

Question

A photocell stops emission if it is maintained at 2V negative potential. The energy of most energetic photoelectron is

A

2eV

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B

2J

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C

2kJ

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D

2keV

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Solution

The correct option is A
2eV

$K_{m a x} = (| V_{0} |) e V = 2 e V$

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