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7. The refractive index of glass is 3and water has refractive index 3.If the speed of light in glass is2 * 108 m/s, the speed of light inwater in m/s is(a) 1.50 x 108(b) 1.78 x 108(c) 2.25 x 108(d) 2.67 x 108 |
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Answer» d right answer bhai please like |
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