Answers

2015-06-23T15:19:32+05:30
As Light passes from air into a liquid the deviation = i-r
so i - r = 19°
and i = 52°
so r = 52 -19 = 33°
so refractive index of the liquid = sini/sinr = sin52°/sin33° = 0.7880/0.5446 = 1.45 (approx)
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is it correct
yeah i am sure yaar
yes it is right