Question

Q. What is Hygiene Principal?​

Answer 1

Ram Ram bhai.. ♥

Huygen's Principle. It states that each point of the wavefront is the source of the secondary wavelets which spread out in all direction with the speed of a wave. ... Every point on the surface of water starts oscillating. The waves spread in all the direction.

HOpe iT HelP YOu DEaR Baaman

Answer 2

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Huygen's principle states that every point on the wavefront may be considered a source of secondary spherical wavelets which spread out in the forward direction at the speed of light. The new wavefront is the tangential surface to all these secondary wavelets.