1.

The velocity of light in air is 3 * 108 ms-1 and that in water is 2.2 * 108 ms" . The polarising angle of incidence is (a) 45° (b) 50° (c) 53.74° (d) 63

Answer»

I'M NOT SURETan ib=refractive INDEX       refractive index=3/2.2=1.3        TAN ib=1.3               ib=(Tan)^-1(1.3) EXPLANATION:



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