Answers

2016-02-26T22:46:11+05:30
Let speed in glass be z,water be y and air be x
3/2=x/z
z=2x/3
4/3=x/y
y=3x/4
Refractive Index of glass with respect  to water=3x/4×3/2x=
                       9/8=1.125
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