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JEE Main 2004 (AIEEE) · Energy Bands in Solids

Energy Bands in Solids question from JEE Main 2004 (AIEEE)

Q21JEE Main 2004 · AIEEEEasy

Energy Bands in Solids

The manifestation of band structure in solids is due to

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Answer: (b)

  1. When atoms come together in a solid, their identical energy levels cannot hold the same electrons in the same state.
  2. Pauli's exclusion principle forces each level to split into many closely spaced levels, which form a band.
  3. So the answer is (b) Pauli's exclusion principle.
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