Question

No one gave answer of my questions. please now answer this answerable students​

Answer 1

according to questions

absolute refractive index of Ruby is 1.7

and abosolute refractive index of Ruby is speed of light in air : speed of light in Ruby

so

(3×10^8)/speed of light in ruby =1.7

on solving speed of light In ruby is 3×10^8/1.7=1.76×10^8

so answer is 1.76 into 10 power 8 m/s

hope it helps

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