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| Column I | Column I | ||
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(i)
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Primitive cubic unit cell
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(a)
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Each of the three perpendicular edges compulsorily have the different edge length i.e; a ≠ b ≠ c.
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(ii)
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Body centred cubic unit cell
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(b)
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Number of atoms per unit cell is one.
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(iii)
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Face centred cubic unit cell
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(c)
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Each of the three perpendicular edges compulsorily have the same edge length i.e.; a = b = c
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(iv)
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End centred orthorhombic unit cell
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(d)
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In addition to the contribution from the corner atoms the number of atoms present in a unit cell is one.
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(e)
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In addition to the contribution from the corner atoms the number of atoms present in a unit cell is three.
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