Define the wave fronts Huygens's principle
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➡️Huygens Principal
1) Each secondry wave front us the primary for the next secondary.
2) Line tangent drawn over new wave length gives the new wavefront.
3) Time taken by all rays remains cont. in giving from one wave front to another.
➡️There are three wave fronts...
1) Spherical
2) Cylindrical
3) Plane
➡️Huygens Principal
1) Each secondry wave front us the primary for the next secondary.
2) Line tangent drawn over new wave length gives the new wavefront.
3) Time taken by all rays remains cont. in giving from one wave front to another.
➡️There are three wave fronts...
1) Spherical
2) Cylindrical
3) Plane
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