# How does Huygens Principle explain reflection and refraction?

## How does Huygens Principle explain reflection and refraction?

Reflection, according to Huygens, could also be explained through the concept of wavelets. As demonstrated in the tutorial, when wavelets are reflected from the interface between the two media, they do not change speed since there is no change in refractive index.

Which of the following laws explained Huygens principle?

EXPLANATION: When a light wave strikes a surface the following phenomenon occurs that can be explained by the Huygen’s principle: Diffraction. Reflection.

What is total internal reflection explain using Huygens principle?

This phenomenon is called total internal reflection. < br> Huygen’s principle : According to Huygen’s principle, every point on the wavefront AB is a source of secondary wavelets and time during which wavelets from B reaches at C. Let `tau` be the time taken by the wave front to advance from B to C. <

### What is the importance of Huygens Principle?

Huygens’s principle works for all types of waves, including water waves, sound waves, and light waves. It is useful not only in describing how light waves propagate but also in explaining the laws of reflection and refraction.

Which of the following Cannot be explained by Huygens principle?

a-reflection,b-refraction,c-diffraction,d-origin of spectra. Answer: Origin of spectra is not explained by Huygens theory. Origin of spectra is an atomic process.

What is hygiene principle?

Huygens’ principle, also called Huygens-Fresnel principle, a statement that all points of a wave front of sound in a transmitting medium or of light in a vacuum or transparent medium may be regarded as new sources of wavelets that expand in every direction at a rate depending on their velocities.

#### How is Huygens principle obtained?

Behaviour of Wave Front in Refraction.

What are the postulates of Huygens principle?

The postulates of Huygens’s wave theory are: Every particle of the medium situated on the wave-front acts as a new wave-source from which fresh waves originates. These waves are called secondary wavelets. The secondary wavelets travel in the medium in all directions with the speed of the original wave in the medium.

What are the postulates of Huygens Principle?

## How is Huygens Principle obtained?

Which of the following can be explained by Huygens principle?

EXPLANATION: When a light wave strikes a surface the following phenomenon occurs that can be explained by the Huygen’s principle: Diffraction.

How does Huygens principle explain interference?

Huygens’ principle states that every point on a wave front may be considered as a source of secondary waves. The word interference is used to describe the superposition of two waves, whereas diffraction is interference produced by several waves.