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in Physics by (30.6k points)
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Manu observes that the absolute refractive indices of two media given as in figure are 2.0 and 1.5 respectively and the speed of light in medium 'B' is 2 x 108m/s.

1. Calculate the speed of light in vaccum?

a. 3 x 108 m/s

b. 2 x 108 m/s

c. 1 x 108 m/s

d. None of these

2. Calculate the speed of light in medium 'A' ?

a. 3 x 108 m/s

b. 1.5 x 108 m/s

c. 1 x 108 m/s

d . None of these

3. The value of refractive index of a medium with respect to the vacuum is known as?

a. Absolute refractive index

b. Snell's law

4. The light travel fastest in

a. Water

b. Air

c. Glass

d. Diamond

1 Answer

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by (30.7k points)
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Best answer

1. a. 3 x 108 m/s

2. b. 1.5 x 108 m/s

3. a. Absolute refractive index

4. b. Air

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