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A plane surface separating medium 1 and medium 2 having refractive indexes as $\mu_1$ and $\mu_2$ respectively. (where $\mu_1 < \mu_2$ )

Let incident wavefronts and refracted wavefront makes an angle i and r respectively with the plane surface.

So the relation between angle i and r for the plane wavefront approaching a plane surface in medium 1 is given as
Option: 1
$\frac{ sin(i)}{ sin(r)} = \frac{\mu _2}{\mu _1}$

Option: 2
$\frac{ sin(i)}{ sin(r)} = \mu _2-\mu_1$

Option: 3
$\frac{ sin(i)}{ sin(r)} = \mu_2$

Option: 4
$\frac{ sin(i)}{ sin(r)} = \mu_1$

Answers (1)

best_answer

As the Lightwave will follow the Laws of Refraction.

So $\frac{ sin(i)}{ sin(r)} = \frac{\mu _2}{\mu _1}$

Posted by

Sanket Gandhi

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