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What is the forbidden energy gap (in jou...

What is the forbidden energy gap (in joule) for a Germanium crystal ?

A

`1.6xx10^(-19) `J

B

`1.12xx10^(-19) `J

C

`3.2xx10^(-19) `J

D

`2.24xx10^(-19) `J

Text Solution

Verified by Experts

The correct Answer is:
B
`E_g=0.7 eV = 0.7xx1.6xx10^(-19) J = 1.12xx10^(-19) J`
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