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Questions
How many lattice points are there in one unit cell of the following lattice?
Body-centred
In a body-centred arrangement of atoms of an element, what will be the numbers of atoms present in respective unit cells? Justify your answer with calculation.
Numerical
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Solution
Lattice points in a body-centred cubic lattice
= 8 corners + 1 body centre
= 9
No. of particles per unit cell = `(8 xx 1/8) + 1`
No. of particles per unit cell = 2
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Chapter 1: Solid State - 'NCERT TEXT-BOOK' Exercises [Page 53]
