Explain Refraction of Light at a plane boundary between two media.

What is refraction of light?

Explain types of diffraction of light.

State using a neat diagram, what happens to the path of light when light ray is incident normally at the boundary between two media.

Define refraction of light and explain the relation between refractive index of material and velocity of light.

Explain Refraction of light on the basis of Wave Theory. Hence prove the Laws of Refraction.

Explain refractive index using a plane glass slab.

With the help of a neat diagram, explain reflection of light from a plane reflecting surface on the basis of wave theory of light

Explain refractive index using water.

Explain light as a wave.

Answer the following questions A ray of light is incident thobliquely at a boundary separating two media . What is its behaviour if the refractive index of the first medium is greater than that of the second medium ? Draw the corresponding neat and labelled diagrams.