Use Huygen's principle to verify the laws of refraction.

**OR**

Define polarizing angle. Derive the relation connecting polarizing angle and the refractive index of a medium.

Question

Use Huygen's principle to verify the laws of refraction.

**OR**

Define polarizing angle. Derive the relation connecting polarizing angle and the refractive index of a medium.

Accepted Answer

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> [!TLDR]
> Applying Huygens' secondary-wavelet construction across a refracting interface (using the times taken by wavelets from each end) yields $\sin i/\sin r=v_1/v_2=$ constant, i.e., Snell's law.
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> Consider a plane wavefront AB in medium 1 (speed $v_1$) incident obliquely on a plane refracting surface XY, making angle of incidence $i$ with the normal. Let PB be a perpendicular from B onto the incident ray through A, so that AB is a wavefront (all points on AB reach the surface at different times as the wave advances).
> …

Q.Use Huygen's principle to verify the laws of refraction. OR Define polarizing angle. Derive the relation connecting polarizing angle and the refractive index of a medium.

Q.Use Huygen's principle to verify the laws of refraction. OR Define polarizing angle. Derive the relation connecting polarizing angle and the refractive index of a medium.

Q.Use Huygen's principle to verify the laws of refraction. OR Define polarizing angle. Derive the relation connecting polarizing angle and the refractive index of a medium.

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Q.Use Huygen's principle to verify the laws of refraction. OR Define polarizing angle. Derive the relation connecting polarizing angle and the refractive index of a medium.

🔒Unlock the full solution

Unlock the full solution

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