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A p-n photodiode is made of a material with a band gap of $2.0 \mathrm{eV}$. The minimum frequency of the radiation that can be absorbed by the material is nearly
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Verified Answer
The correct answer is:
$5 \times 10^{14} \mathrm{~Hz}$
$$
v=\frac{E}{h}=5 \times 10^{14} \mathrm{~Hz}
$$
v=\frac{E}{h}=5 \times 10^{14} \mathrm{~Hz}
$$
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