Optics 3 Question 41

41. What is the relation between the refractive indices $\mu _1$ and $\mu _2$ ? If the behaviour of light rays is as shown in the figure.

(1979)

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Answer:

Correct Answer: 41. $\mu _1<\mu _2$

Solution:

  1. From first figure it is clear that

$$ \mu=\mu _1 $$

From second figure it is clear that

$$ \begin{aligned} & \mu<\mu _2 \\ \therefore & \mu _1<\mu _2 \end{aligned} $$



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