Some Important Terms Related with Light   ELECTROMAGNETIC WAVES       The waves which do not require a material medium for their propagation are known as electromagnetic waves. e.g. all light waves are electromagnetic waves.   SOURCE OF LIGHT       A source of light is an object, from which light is given out. The source of…

Introduction of Light Light is a form of energy which produces the sensation of vision in us. NATURE OF LIGHT The study of light is called optics and is classified in the following ways : PARTICLE THEORY OF LIGHT According to the particle theory of light, light is composed of particles which travel in a…