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Question

What is the total volume of the particles present in a body centered unit cell?

A
8πr3
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B
83πr3
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C
163πr3
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D
323πr3
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Solution

The correct option is B 83πr3
Since particles are assumed to be spheres, volume of one sphere is 43πr3, total volume of all particles in BCC = 2×43πr3=83πr3 since a BCC has 2 particles per unit cell.

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