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JEE Main 2002 (AIEEE) · Energy Bands in Solids

Energy Bands in Solids question from JEE Main 2002 (AIEEE)

Q23JEE Main 2002 · AIEEEEasy

Energy Bands in Solids

The energy band gap is maximum in

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Answer: (c)

  1. Metals and superconductors: bands overlap, Eg=0E_g = 0.
  2. Semiconductors: Eg≈1 eVE_g \approx 1\text{ eV}; insulators: Eg>3 eVE_g > 3\text{ eV}.
  3. So the answer is (c) insulator.
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