Qstnid -I-2-there Are Energy Bands In A Solid. Do We Have Really Continuous Energy Variation In A Band Ro Do We Have Very Closely Spaced But Still Discrete Energy Levels? - 45: Semiconductors And Semiconductor Devices

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#2
There are energy bands in a solid. Do we have really continuous energy variation in a band ro do we have very closely spaced but still discrete energy levels?
Ans : A solid consists of a combination of closely spaced energy levels. These energy levels are discrete but they have very small energy gap between two consecutive levels so they are reffered as band.However, the energy levels in the band are discrete.
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