An equilateral prism is | Geometrical Optics | JEE MAIN_2026

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JEE MAIN_2026

02-04-26_S2

Question

One side of an equilateral prism is painted by a transparent material of refractive index $n_2$. The refractive index of prism is 1.6 . The minimum value of $n_2$ required for total internal reflection from painted face is $\_\_\_\_$ .

Select the correct option:

A

$3 \sqrt{3} / 1.6$

B

$\sqrt{3}$

C

$3.2 / \sqrt{3}$

D

$4 \sqrt{3} / 5$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

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