A spherical glass vessel has a cylindrical neck 8 cm long and 1 cm in radius. The radius of the spherical part is 9 cm Find the amount of water (in litres) it can hold, when filled completely.

A spherical glass vessel has a cylindrical neck 7 cm long and 4 cm in diameter. The diameter of the spherical part is 21 cm. Find the quantity

A spherical glass vessel has a cylindrical neck 8 cm long, 2 cm in diameter; the diameter of the spherical part is 8.5 cm. By measuring the amount of water it holds, a child finds its volume to be "345 "c m^3 . Check whether she is correct, takin

A spherical glass vessel has a cylindrical neck 8 cm long, 2 cm in diameter: the diameter of the spherical part is 8.5 cm. By measuring the amount of water it holds, a child finds its volume to be 345\ c m^3 . Check whether she is correct, taking the above as the inside measurements and pi=3. 16 .

The radius of curvature of a spherical mirror is 20 cm. find its focal length.

A spherical metal ball of radius 8 cm is melted to make 8 smaller identical balls. The radius of each new ball is cm.

A spherical ball of radius 3 cm is melted and recast into the spherical balls. The radii of two of these balls are 1.5 cm and 2 cm. Find the radius of the third balls.

A cylindrical tub of radius 12 cm contains water to a depth of 20 cm. A spherical ball is dropped into the tub and the level of the water is raised by 6.75 cm. Find the radius of the ball.

A spherical soap bubble of radius 2 cm attached to the outside of a spherical bubble of radius 4 cm. Find the radius of curvature of the common surface.