The photon of energy $(h v)$ incident in the depletion region which will excite the electron from valence to the conduction band the condition is
$E_{G} =$ band gap energy
$E_{C} =$ conduction band energy
$E_{V} =$ valence band energy

h v > E_{G}

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h v = E_{G}

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h v \leq E_{G}

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h v < E_{G}

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Solution

The correct option is A $h v > E_{G}$
$h v > E_{G}$

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