Question

6) If photon energy is 75% more than threshold energy and if kinetic energy of electron from ametal is 6 units. Then magnitude of threshold energy is​

Answer 1

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6) If photon energy is 75% more than threshold energy and if kinetic energy of electron from ametal is 6 units. Then magnitude of threshold energy is

$\huge{\mathfrak{\purple{Answer}}}$

Refer to the attachment..

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