Question

The band gap in silicon and germanium ( in eV) respectively is

• A. $0.7,1.1$
• B. $1.1,0.7$
• C. $1.1,0$
• D. $0.7,0$

Answer 1

Answer: (B)

$1.1,0.7$

For silicon
Forbidden energy gap $E_g=1.1eV$
For germanium $E_g=0.7eV$