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Total volume of atoms present in a fcc u...

Total volume of atoms present in a fcc unit cell of a metal with radius r is

A

`(20)/(3)pir^(3)`

B

`(24)(3)pir^(3)`

C

`(12)/(3)pir^(3)`

D

`(16)/(3)pir^(3)`

Text Solution

Verified by Experts

The correct Answer is:
D
no. of atoms in FCC=4
volume of 1 atoms `=(4)/(3)pir^(3)`
Total volume of 4 atoms `=4xx(4)/(3)pir^(3)`
`=(16)/(3)pir^(3)`
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