Friction is an opposing force that acts between two bodies having relative motion or trying to move relatively. It acts at the contact surfaces of […]
Center of mass of a body or a system of bodies is a point at which entire mass of the body or system of bodies […]
Atomic number is defined as the total number of proton present inside the nucleus of an atom.
Valency can be defined as the combining capacity of an atom. From the Bohr-Bury model model we know that electrons in the outermost orbit tries […]