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A solid is hemispherical at the bottom a...

A solid is hemispherical at the bottom and conical (of same radius) above it . If the surface areas of the two parts are equal then the ratio of its radius and the slant height of the conical part is

A

`1:3`

B

`1:sqrt(3)`

C

`1:1`

D

`1:7`

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • A solid is in the shape of a cone mounted on a hemisphere of same base readius. If the curved surface areas of the hemisphere part and the conical part are equal then find the ratio of the radius and the height of the conical part.

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    B
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    D
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