State hygiene principle using which construct a ray diagram of plane wavefront cutting incident on a denser medium
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There are two principles of Huygen:
Every Point on the given wave front (called theprimary wave front) acts as a source of new disturbances,calledsecondary wavelets,which travel in all directions with the velocity of light.A surface touching these wavelets tangentially in the forward direction at any instant gives the new wave front at that instant.This is called theSecondary wave front.
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There are two principles of Huygen:
Every Point on the given wave front (called theprimary wave front) acts as a source of new disturbances,calledsecondary wavelets,which travel in all directions with the velocity of light.A surface touching these wavelets tangentially in the forward direction at any instant gives the new wave front at that instant.This is called theSecondary wave front.
i hope it help you
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