The velocity of light in glass is 2 x 10° m/s. If refractive index of glass with respect to water is 9/8, then the velocity of light in water is (a) 1.6 x 108 m/s (b) 1.33 x 10° m/s (c) · 3x 10° m/s (d) 2.25 x 108 m/sec
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