CHAPTER 10
Wave Optics
CHAPTER AT A GLANCE
Wave optics describes the connection between waves and rays of light. According to wave theory of light, the light is a form of energy which travels through a medium in the form of transverse wave motion. The speed of light in a medium depends upon the nature of medium.
Newtons’ Corpuscular Theory of Light
Light consists of very small invisible elastic particles called corpuscles, which travel in vacuum with a speed of 
.
The size of corpuscular of different colors of light are different. The theory could explain reflection and refraction.
But it could not explain interference, diffraction, polarization, ...
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