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The radii of the internal and external s...

The radii of the internal and external surfaces of a hollow spherical shell are 6 cm and 4 cm respetively. If it is melted and recast into a solid cylinder of height `4/3` cm, find the diameter of the cylinder

A

`2sqrt(38)`cm

B

`4sqrt(38)` cm

C

`4sqrt(19)`cm

D

`2sqrt(19)` cm

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