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Using Huygen’s wave theory, show that (for refraction of light): where terms have their usual…

Physics20243 marksDerivation
Using Huygen’s wave theory, show that (for refraction of light): $\frac{\sin i}{\sin r} = \text{Constant}$ where terms have their usual meaning. You must draw a neat and labelled diagram.

Given: A plane wavefront incident on a plane refracting surface separating two media with speeds $v_1$ and $v_2$

To show: $\frac{\sin i}{\sin r} = \text{Constant}$

Answer

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Wave Optics

From ISC 2024 Physics Paper 1, question 13(i).