Q. 124.3( 12 Votes )
A spherical shell
Answer :
External diameter of shell = 24cm and
Internal diameter of shell = 18cm
So,
External radius of shell = 12 cm and
Internal radius = 9 cm
Volume of lead in the shell = π[123–93]cm3
Let the radius of the cylinder be r cm
Height of the cylinder = 37 cm
Volume of the cylinder = πr2h = πr2(37)
π[123–93] = πr2 × 37
π × 999 = πr2 × 37
r2 = × π × 999 ×
π = 36cm2
r = = 6cm
Hence, diameter of the base of the cylinder = 12 cm
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