a) The refractive index of Ruby is 1.71. What is meant by this statement?
(b) The refractive index of some medium are given below:
Crown glass- 1.52
Water- 1.33
Sapphire- 1.77
In which of the medium is the speed of light
(i) Maximum (ii) Minimum (iii) Calculate speed of light in sapphire
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Answer:
sapphire-1.77
Explanation:
calculate speed of light in sapphire
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