| Assertion: fcc and hcp have same packing efficiency. |
| Reason: bcc and fcc both have same number of atoms per unit cell and same arrangement. |
A) Assertion and reason both are correct statements and reason is correct explanation for assertion.
B) Assertion and reason both are correct statements but reason is not correct explanation for assertion.
C) Assertion is correct statement but reason is wrong statement.
D) Assertion is wrong statement but reason is correct statement.
Correct Answer: C
Solution :
fcc and hcp both have 74% packing efficiency. In bcc there are 2 atoms per unit cell while in fcc there are 4 atoms per unit cell and both have different arrangements.
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