Which of the following ray diagrams shows phy | vedclass

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(C) According to Snell's law,when a light ray travels from a denser medium (higher refractive index $\mu$) to a rarer medium (lower refractive index $

Vedclass · Accepted Answer

$(iii)$

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(C) According to Snell's law,when a light ray travels from a denser medium (higher refractive index $\mu$) to a rarer medium (lower refractive index $\mu$),it bends away from the normal.Conversely,when a light ray travels from a rarer medium (lower $\mu$) to a denser medium (higher $\mu$),it bends towards the normal.In diagram $(i)$,the light travels from $n=1.4$ to $n=1.6$ (rarer to denser),so it should bend towards the normal. The diagram shows it bending away,which is incorrect.In diagram $(ii)$,the light travels from $n=1.6$ to $n=1.8$ (rarer to denser),so it should bend towards the normal. The diagram shows it bending away,which is incorrect.In diagram $(iii)$,the light travels from $n=1.5$ to $n=1.6$ (rarer to denser),so it should bend towards the normal. The diagram shows it bending towards the normal,which is physically correct.

Which of the following ray diagrams shows physically possible refraction?

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