There is a right circular cone of height h and vertical angle 60∘. A sphere when placed inside the cone, it touches the curved surface and the base of the cone. The volume of sphere is
A
43πh3
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B
49πh3
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C
427πh3
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D
481πh3
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Solution
The correct option is A481πh3 r=h3 ⇒V=43π(h3)3 V=4π.h381.