A prime number is the positive integer.
(Besides ) which is divisible by 1 and itself.
Examples: 2, 3, 5, 7, 11, 13, 17, 23, 29 etc.
A number which is not prime is called a composite...
1. The system of units: A set of fundamental and derived units is called system of units.
2. Ampere: One ampere is the unit of current equal to a flow of one coulomb per second.
3. Mole: The gram atomic...