A) \[{{(Eg)}_{C}}={{(Eg)}_{Si}}={{(Eg)}_{Ge}}\]
B) \[{{(Eg)}_{C}}>{{(Eg)}_{Si}}>{{(Eg)}_{Ge}}\]
C) \[{{(Eg)}_{C}}<{{(Eg)}_{Ge}}>{{(Eg)}_{Si}}\]
D) \[{{(Eg)}_{Si}}<{{(Eg)}_{Ge}}>{{(Eg)}_{C}}\]
Correct Answer: B
Solution :
Carbon , germanium (Ge) and silicon (Si) are semiconductros. They lie in 1VA group of periodic table. \[{{(Eg)}_{C}}=5.2eV\] \[{{(Eg)}_{Ge}}=0.75eV\] \[{{(Eg)}_{Si}}=1.21eV\] Thus, it is obvious that \[{{(Eg)}_{C}}>{{(Eg)}_{Si}}>{{(Eg)}_{Ge}}\]You need to login to perform this action.
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