MCQ
When the angle of incidence on a material is $60^{\circ}$, the reflected light is completely polarized. The velocity of the refracted ray inside the material is (in $\mathrm{ms}^{-1}$)
- A$3 \times 10^8$
- B$\left(\frac{3}{\sqrt{2}}\right) \times 10^8$
- ✓$\sqrt{3} \times 10^8$
- D$0.5 \times 10^8$
