The explanation of the band structure in soli | vedclass

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(B) In a solid,when atoms are brought together to form a crystal,their individual energy levels split into bands due to the interaction between electr

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Pauli's exclusion principle

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(B) In a solid,when atoms are brought together to form a crystal,their individual energy levels split into bands due to the interaction between electrons of neighboring atoms. According to $Pauli's$ exclusion principle,no two electrons in an atom can have the same set of four quantum numbers. As atoms come closer,the energy levels of the electrons overlap and split into a large number of closely spaced energy levels,forming energy bands. Thus,the band structure is a direct consequence of $Pauli's$ exclusion principle.

The explanation of the band structure in solids is due to:

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