Engineering
Physics
Wavefront
Polarisation of Light New
Intereference New
Question
Huygens's concept of secondary wave
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Solution
Huygens principle states that "Every point on a wave-front may be considered a source of secondary spherical wavelets which spread out in the forward direction at the speed of light. The new wave-front is the tangential surface to all of these secondary wavelets." Thus it is geometrical method to find the wavefront.
