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>>Dual Nature of Radiation and Matter
>>Einstein's Photoelectric Equation : Energy Quantum of Radiation
>> $Einstein’s photoelectric equation states$

Question

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

A

Kinetic energy of all ejected electrons

B

Mean kinetic energy of emitted electrons

C

Minimum kinetic energy of emitted electrons

D

Maximum kinetic energy of emitted electrons

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Solution

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Correct option is D)

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

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