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Packing Fraction and Efficiency

What percenta...

Question

What percentage of crystal space in fcc arrangement is vacant?

A

74%

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B

32%

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C

68%

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D

26%

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Solution

The correct option is D 26%
In face-centered cubic arrangement, 74% of the crystal space is filled

Vacant space = 100 – 74 = 26%

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