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If a stands for the edge length of the ...

If `a ` stands for the edge length of the cubic system `:` simple cubic, body `-` centred cubic anf face `-` centred cubic, then the ratio of radii of the spheres in these systems will be respectively`:`

A

`1a : sqrt(3)a : sqrt(2)a`

B

`(1)/(2)a : (sqrt(3))/(4)a : (1)/(2sqrt(2))a`

C

`(1)/(2)a : sqrt(3)a : (1)/(sqrt(2))a`

D

`(1)/(2)a : (sqrt(3))/(2)a:(sqrt(2))/(2)a`

Text Solution

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The correct Answer is:
B
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