For the angle of minimum deviation of a prism to be equal to its refracting angle, the prism must be - Physics - Ray Optics And Optical Instruments

Question

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 2 and 1
(4) lies between 2 and 2

Pintu B. · Accepted Answer

Dear Student ,
The solution of the question is given below:
<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_5a8da2305bb06%20png"
style="width: 577px; height: 594px;">

Here the correct option is 4
Regards

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 2 and 1 (4) lies between 2 and 2

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 $\sqrt{2}$