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CGP EDU Academic Team
Published on: August 11, 2026
Assertion: bcc and hcp has same packing efficiency.
Reason: Both have same number of atoms per unit cell and same arrangement.
Text Solution
Verified by ExpertsThe correct answer is:
D
bcc has 68% and hcp has 74% packing efficiency, bcc ‐ 2 atoms/unit cell; hcp ‐ 4 atoms/unit cell. In bcc particles are present at corners and one particles is present at the centre within the body of the unit cell. In hcp the packing gives a hexagonal pattern.
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