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In a photodiode,the conductivity increas...

In a photodiode,the conductivity increases when the material is exposed to light.It is found that the conductivity changes only if the wavelength is less than 620nm.What is the band gap?

A

0.75 eV

B

1.1 eV

C

1.5 eV

D

2.0 eV

Text Solution

Verified by Experts

The correct Answer is:
D
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