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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 `2.0 eV`. The minimum frequency of the radiation that can be absorbed by the material is nearly

A

`5xx10^(14)` Hz

B

`1xx10^(14)` Hz

C

`20xx10^(14)` Hz

D

`10xx10^(14)` Hz

Text Solution

Verified by Experts

Energy band gap
`6.63 xx 10^(34) xx v= 2eV`
`=5 xx 10^(14) Hz`
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