Question

For germanium crystal, the forbidden gas energy gap

Options

• 1.12 × 10^–19 J

• 1.76 × 10^–19 J

• 1.6 × 10^–19 J

• zero J

Answer 1

1.12 × 10^–19 J

Explanation:

For germanium crystal, the forbidden gap energy is = 0.7 ev = 0.7 × 1.6 × 10^–19 J

= 1.12 × 10^–19 J