Physics · 2008
NEET 2008 · Prelims · Code A · Q50
A p-n photodiode is made of a material with a band gap of 2.0 eV. The minimum frequency of the radiation that can be absorbed by the material is…
A p-n photodiode is made of a material with a band gap of $\displaystyle 2.0$ eV. The minimum frequency of the radiation that can be absorbed by the material is nearly :
Official answer
(3)
$\displaystyle 5 \times 10^{14} \mathrm{~Hz}$
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