Describe law of refraction on the …
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Posted by G L Badola 4 years, 9 months ago
- 2 answers
Yogita Ingle 4 years, 9 months ago
Huygen's Principle:
(i) Every point on a given wave front (called primary wave front) acts as a fresh source of new disturbance, called secondary wavelets which travel in all directions with the velocity of light in the medium.
(ii) The forward envelope of these secondary wavelets gives the new wave front at any instance.This is called secondary wave front.
Consider a plane wavefront AB incident on a surface PQ separating two media 1 and 2.
The medium 1 is a rarer medium of refractive index n1 in which light travels with a velocity C1 The medium 2 is a denser medium of refractive index n2 in which light travels with a velocity C2.
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Shiva Shiva 4 years, 9 months ago
0Thank You