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

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

A

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

B

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

C

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

D

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

Text Solution

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The correct Answer is:
A
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