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A p-n photodiode is made of a material w...

A p-n photodiode is made of a material with a band gap of 2 e V. The minimum frequency of the radiation that can be absorbed by the material is nearly
(hc= 1240 eV nm)

Text Solution

Verified by Experts

Use frequency E=hf
`:. f=E/h =(2xx1.6xx10^(-19)J)/(6.6xx10^(-34)J-s)~~5xx10^(14) Hz`
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