Important Terms

Physics is a branch of science that deals with matter, energy and their relationship.

Some main branches of Physics are mechanics, heat, sound, light (optics), electricity and magnetism, nuclear physics, and quantum physics.

Physics plays an important role -in our ‘daily life. For example, electricity is widely used everywhere, domestic appliances, office equipment, machines used in industry, means of transport and communication, etc. work on the basic laws and principles of Physics.