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The Solid State
Question
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What causes the conduction of electricity by semi-conductors?

Answer

 The conduction of electricity in semi- conductors is because of the  Electrons and holes.

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Some More Questions From The Solid State Chapter

Give the significance of a 'lattice point'.

Name the parameters that characterize a unit cell.

Distinguish between Hexagonal and monoclinic unit cells.

Distinguish between Face-centred and end-centred unit cells.

What is the two-dimensional coordination number of a molecule in square close packed layer ?

A compound is formed by two elements M and N. The element N forms ccp and atoms of M occupy 1/3 of tetrahedral voids. What is the formula of the compound?

Which of the following lattices has the highest packing efficiency: