Optics is the branch of physics that studies the phenomena associated with the propagation and interaction of light with matter. In the past, it was not known what light is made of. Would it be a...

In homogeneous, transparent and isotropic means, light travels in a straight line.

Color is a property of light related to its frequency. The human eye is able to see only a specific range of all possible frequencies of light, this range is known as the visible spectrum.