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CBSE Class 10 Answered

pls solve
Asked by | 09 Jun, 2009, 01:50: PM
answered-by-expert Expert Answer

The deviation in the path of light when it passes from one medium to another medium of different density is called refraction of light.

since refractive index = speed of light in air / speed of light in water

                                    4 / 3  = speed of light in air / 2.25 x 108

              speed of light in air = 3 x 108 m/s

Answered by | 09 Jun, 2009, 04:28: PM
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