# 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

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