Define a wavefront. Using Huygens' principle verify the laws of reflection at a plane surface.

Using Huygens' principle, establish the law of reflection.

Wavefront and Huygens principle

(a) Define wevefront. Use Huygens 'principle to verify the laws of refraction . (b) How is linearly polarised light obtained by the process of scattering of light ? Find the Brawster angle for air- glass interface, when the refractive index of glass = 1.5

Huygen's principle is used to

One can use Huygen's principle to