Volumes Practice Test 3

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Question : 12 of 40

Marks: +1, -0

A metallic hemisphere is melted and recast the shape of a cone with same base radius (R) as that of the hemisphere. If H is the height of the cone, then

H = $2/3$ R
H = 2R
H = 3R
H = $√2$ R

Solution:

Here,

2/3 πR^3

=

1/3 πR^2H

∴ H = 2R

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