Question

Consider a glass slab which is silvered at one side and the other side is transparent. Given the refractive index of the glass slab to be $1.5$. If a ray of light is incident at an angle of $45^{\circ }$ on the transparent side, the deviation of the ray of light from its initial path, when it comes out of the slab is

• A. $120^{\circ }$
• B. $45^{\circ }$
• C. $90^{\circ }$
• D. $180^{\circ }$

Answer 1

Answer: (C)

Correct answer is (c) $90^{\circ }$