Q. 164.4( 8 Votes )

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Answer :

Given,

Internal diameter of tube = 10.4 cm

Internal radius of tube =

Thickness of metal = 8 mm = 0.8 cm

External radius of tube = 5.2 + 0.8 = 6 cm

Length of tube = 25 cm

∴ Volume of metal = (external volume – internal volume)

= πh (6² – 5.2²) =

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