A cone made of paper has height 3h and vertical angle `2alpha`. It contains two other cones of height 2h and h and vertical angle `4 alpha` and `6 alpha`. Find the ratio of the two volume in between the cones.

A cone made of paper has height 3h and vertical angle 2alpha . It contains two other cones of height 2h and h and vertical angle 4 alpha and 6 alpha . Find the ratio of the two volume in the cones.

A cone made of paper has height 3h and vertical angle 2 alpha It contains two other cones of height 2h and h and vertical angles 4 alpha and 6 alpha respectively.Find the ratio of the two volumes in between the cones.

The vertex angle of a cone is 60^(@) . Find the ratio of diameter with the height of the cone.

Find the cylinder of maximum volume which can be inscribed in a cone of height h and semivertical angle alpha .

The volume of the greatest cylinder which can be inscribed in a cone of height h and semi- vertical angle alpha is

If h be the height and alpha the semi vertical angle of a right -circular cone, the its volume is given by

A cone of semi vertical angle of alpha is inscribed in a sphere of radius 2 cm. the height of the cone is

If S denotes the area of the curved surface of a right circular cone of height h and semivertical angle alpha then S equals

If s denotes the area of the curved surface of a right circular cone of height h and semivertical angle alpha then S equals