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The refractive index of fused quartz is 1.46 and that of sapphire is 1.77 . If v _ q is the speed of light in quartz and v _ s is the speed of light in sapphire, then which one of the following relations is correct?

Options

  1. Av _ q v _ s
  2. Bv _ s v _ q
  3. Cv _ s = v _ q
  4. Dv _ s = v _ q 2

Correct answer

A. v _ q v _ s

Step-by-step solution

Refractive index of medium aligned & _ med = speed of light in vacuum speed of light in medium & _ sapp _ quartz Vq Vs aligned

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