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The ratio of lengths of two rods A and B...

The ratio of lengths of two rods A and B of same material is `1:2` and the ratio of their radii is `2:1`, then the ratio of modulus of rigidity of A and B will be

A

`4 :1`

B

`16 :1`

C

`8 : 1`

D

`1 :1`

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The correct Answer is:
D
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