Einstein’s photoelectric equation states that
$E_{k} = h v - W$ , In this equation $E_{k}$ refers to :

Kinetic energy of all ejected electrons

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Mean kinetic energy of emitted electrons

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Minimum kinetic energy of emitted electrons

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Maximum kinetic energy of emitted electrons

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Solution

The correct option is D Maximum kinetic energy of emitted electrons
$E_{k} = h ν - ϕ$ (here $ϕ = W$ )
here $E_{k}$ refers to the maximum kinetic energy of emitted electrons.

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Kinetic energy with which the electrons are emitted from the metal surface due to photoelectric effect is

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