Assertion: Hexagonal close packing in more light than cubic close packing. Reason: Hexagonal close packing has C.N of 12 whereas cubic close packing h

Question

Assertion: Hexagonal close packing in more light than cubic close packing. Reason: Hexagonal close packing has C.N of 12 whereas cubic close packing h

Assertion: Hexagonal close packing in more light than cubic close packing.
Reason: Hexagonal close packing has C.N of 12 whereas cubic close packing has C.N. of 8.
A. If both assertion and reason are correct and reason is correct explanation for assertion
B. If both assertion and reason are correct but reason is not correct explanation for assertion
C. If assertion is correct but reason is incorrect
D. If both assertion and reason are incorrect

Monjur Alahi

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2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
Correct Assertion: Both hexagonal and cubic close packing are equally tight (occupied space =`74%`)
Correct Reason: The co-ordination number in both the cases is 12.

4 views Answered 2023-02-05 15:29