A cube of side 2 cm has 72`mu` C charge. What is the average surface density of charge of the cube in `muC.cm^(-2)` ?

The lateral surface area of a cube of side 12 cm is

A cube of side 4 cm is cut into 1 cm cubes. What is the ratio of the surface areas of the original cubes and cut-out cubes?

The lateral surface area of cube with side 8 cm is

To what potential must a insulated sphere of radius 10 cm be charged so that the surface density of charge is equal of 1 muC//m^ 2 .

Surface area of a cube of side 27 cm is ………. cm^(2) .

The side of cube is 8cm. Find the lateral surface area of the cube.

By melting a metal cube of side 5 cm each, some cubes of sides 1 cm each are made, then what will be the ratio of the total surface areas of the large cube to the total surface area of each small cubes ?