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in Physics by (25.2k points)
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 nearly
A. `10 xx 10^(14) Hz`
B. `5 xx 10^(14)Hz`
C. `1 xx 10^(14)Hz`
D. `20 xx 10^(14)Hz`

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