Question

state huygens principal give two advantages​

Answer 1

Answer:

Explanation:

Huygens' principle state that all points of a wave front 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.

It gives explanation for laws of reflection, refraction and double refraction of light assuming transverse nature of the light waves. It also explains the theory of interference ,diffraction & phenomenon of polarisation of light.

Answer 2

The hyugens principle states - A tangent surface to the walvets usually constitute the new wave front and is known as the envelope of the walvets.

Explanation:

the two advantages are-

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