plzzz solve this question, tomorrow is my board exam
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Sa is speed im medium a and Sv is speed in vacuum of light
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Answer:speed of light in vacuum is always 3*10^8
Speed of light in medium A is =speed of light in Vacuum/speed of light in medium A =ABSOLUTE REFRACTIVE INDEX
2=3*10^8/medium A
medium A=3*10^8/2
=15*10^7
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