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KCET2022PhysicsSemiconductors

The forbidden energy gap for Ge crystal at 0 ~K is

Options

  1. A0.71 eV
  2. B2.57 eV
  3. C6.57 eV
  4. D0.071 eV

Correct answer

C. 6.57 eV

Step-by-step solution

Ge is a semiconductor material which behaves as an insulator at 0 ~K . We know that, forbidden energy gap of an insulator is more than 3 eV . Hence, among the given options, option (c) is correct.

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