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For the angle of minimum deviation of a prism to be equal to its refracting angle, the prism must be made of a material whose refractive index :-

(1) is less than 1

(2) is greater than 2

(3) lies between $\sqrt{2}$ and 1

(4) lies between 2 and $\sqrt{2}$

Dear Student ,

The solution of the question is given below:

Here the correct option is 4 .

Regards

The solution of the question is given below:

Here the correct option is 4 .

Regards

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