Embibe Experts Solutions for Chapter: Wave Optics, Exercise 1: Bihar Board-2018

The value of maximum amplitude produced due to interference of two wave is given by  $y_1= 4 \sin wt$ and $y_2=3 \cos wt$

The phase difference $\varphi$ is related to path difference $∆x$ by:

Explain Huygen's principle of secondary wavelets and on the basis of this principle establish the law of Refraction Or reflection.

The wave front due to a point source at a finite distance from the source is-

Width of interference fringe is 

What do you mean by difraction of light 

Establish laws of reflection of light on the basis of wave theory.