Science, asked by anuragsharmarishi200, 5 hours ago

The speed of in air is 3×10^8m/sec . in medium X it's speed is 2×10^8 m/sec and in medium Y the speed of light is 2.5×10^8 m/sec . calculate (i) anx =? (ii) axy=? (iii) xny=?​

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Answered by sangeetakarwasra9630
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