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What is refraction of light? Light enters from water which has refractive index of 1.33.calculate speed of light in water.the speed of light in air is 3×10   to the power 8 m/s
Asked by ABHILASHA | 02 Oct, 2018, 04:09: PM
answered-by-expert Expert Answer
when light is travelling obliquely from one medium to other medium, direction of propagation changes in second medium.
This phenomenan is refraction of light.
 
begin mathsize 12px style r e f r a c t i v e space i n d e x space space o f space m e d i u m equals space fraction numerator s p e e d space o f space l i g h t space i n space a i r over denominator s p e e d space o f space l i g h t space i n space m e d i u m end fraction end style
speed of light in water = ( 3×108 )/ 1.33  = 2.25×108 m/s
Answered by Thiyagarajan K | 03 Oct, 2018, 04:08: AM

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