Mathematics
A sphere of radius 6 cm is dropped into a cylindrical vessel, partly filled with water. The radius of the vessel is 8 cm. If the sphere is submerged completely, then the surface of the water rises by :
2 cm
3 cm
4 cm
4.5 cm
Related Questions
If a sphere just fits in a right circular cylinder, then the ratio of the volume of sphere to the volume of the cylinder is :
1 : 3
1 : 2
2 : 3
1 : 4
If a cylindrical rod of iron whose length is 12 times its radius is melted and cast into spherical balls of the same radius, then the number of balls will be :
3
6
9
27
If a solid sphere of radius r is melted and recast into the shape of a solid cone of height r then the radius of the base of the cone is :
r
2r
3r
4r