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62. The speed of light in water is 2.25 into 10 ki power 8 metre per second refractive index of water is 4 by 3 then find the speed of light in vacuum |
| Answer» 62. The speed of light in water is 2.25 into 10 ki power 8 metre per second refractive index of water is 4 by 3 then find the speed of light in vacuum | |