Huygens' Wave Theory of Light
Huygens' Wave Theory of Light: Overview
This topic covers concepts, such as, Sources of Light Waves,Wave Surface of a Light Wave,Wave Fronts of Light Wave etc.
Important Questions on Huygens' Wave Theory of Light
For light diverging from a finite point source

A plane wave front is incident on a thin prism, thin convex lens and a concave mirror separately. The wave front(s) emerging out from the

Define the term 'wave front of light'. A plane wave front propagating from denser medium into a rarer medium is incident on the surface separating the two media as shown in fig.
Using Huygen's principle, draw the secondary wavelets and obtain the refracted wave front in the diagram.

What is the shape of wavefront due to source is at infinite distance.

List the terminologies related to Huygens' principle.

Which of the following terminology is related to Huygens' wave theory?

The surface of sphere with source as center and distance travelled by light wave as radius where each wave arrives simultaneously is called _____ .

A Wavefront is defined as the locus of points that are in the same phase.

With regard to wavefronts, select the wrong statement:

What is the wave surface of light?

What is wave normal and wave front?


What is the normal of a light wave?

Which of the following statements is true about Huygens’s principle of secondary wavelets?

Why secondary wavelets are so important?

Describe how secondary wavelets help the formation of new wavefront.


Describe a wavefront and its different types .

What is Huygens wave principle?

The sources of light required for interference must be _____.
