Calculate the surface area and volume of a sphere of radius '3 cm .'

Calculate the void space in fcc packing of n spheres of radius 1 nm, n spheres of radius 0.414 nm, and 2n spheres of radius 0.225 nm in appropriate voids.

Calculate the volume of a sphere of surface area 144pi square centimeter.

What is the change in volume and surface area of a sphere if its radius become three times.

Fill in the blanks: the surface area of a solid cylinder of radius 2.0 cm and height 10.0cm is equal to _______ (mm)^2 .

The radius of a sphere is 12.4 ± 0.1 cm.Calculate the percentage error in surface area of the sphere (A = 4pi r^2) .

What is the radius of a sphere having volume and surface area are equal numerically. How many small spheres of radius. '1 cm' can be made by melting that metallic spheres?

The curved surface area of a solid cylinder of radius 2 cm and height 20 cm is ............... m^2 (Write answer in 3 significant digits)

Equipotentiai surface is a surface on which the electric potential is the same at every point:- A point charge +q Is placed at the centre of a sphere of radius B. An other point charge +q is take from a point A to another diametrically opposite point B on the surface of the sphere. Calculate the work done for this.

The volume of a cube is increasing at a rate of 9 cubic centimetres per second. How fast is the surface area increasing when the length of an edge is 10 cm.