When the angle of incidence on a material is 60°, the reflected light is completely polarized. The velocity of the refracted ray inside the material is (in ms–1)

(1) 3 × 108

(2) $\left(\frac{3}{\sqrt{2}}\right)×{10}^{8}$

(3) $\sqrt{3}×{10}^{8}$

(4) 0.5 × 108

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