Huygen’s Principle

What is Huygens principle and explain?

What are the applications of Huygens principle?

What are the postulates of Huygens wave theory along with its shortcomings?

Why is Huygens principle wrong?

What is wavefront of light waves?

What is Huygens principle used for?

What is limitations of huygens principle?

What is wavefront and Huygens principle?

What is the difference between concave and convex lens?

What is a concave lense?

How do concave lenses affect waves?

What is convex and concave mirror?

After reflection from a concave mirror, a plane wave front becomes.

What is the shape of the wavefront reflected by a concave mirror when a plane wave is incident on it?

What is wave normal and wave front?

A light wave can travel

What is the normal of a light wave?

Is the speed of light in glass independent of the colour of light? If not, which of the two colours red and violet travels slower in a glass prism?

What is the shape of the wavefront in each of the following cases:

(c) The portion of the wavefront of light from a distant star intercepted by the Earth.