A plane wavefront is incident normally on a convex lens. Sketch the reflected wavefront emerging from the lens.

Sketch the emergent wavefront.

When a plane wavefront is incident on a double convex lens, the refracted wavefront is

When a plane wavefront is incident on a double convex lens, the refracted wavefront is

A plane wavefront AB is incident on a concave mirror as shown. Then,the reflected wavefront will be

A plane wavefront AB is incident on a concave mirror as shown. Then,the reflected wavefront will be

A plane wavefront is incident on a prism.Draw the shjape of the refracted wavefront.

Draw a diagram to show the refraction of a plane wavefront incident on a convex lens and hence draw the refacted wavefront.

A plane wavefront is incident on a prism. What will be the nature of emergent wavefront ?

A plane wave front falls on a convex lens. The emergent wave front is