Question

The refractive index of glass for light going from air to glass is 3÷2.
The refractive index for light going from glass to air will be:​

Answer 1

Answer:

2/3

Explanation:

Since we are reversing the order of the movement of light, the refractive index would become the reciprocal of the original one.

The reciprocal of 3/2 is 2/3.

So your answer becomes 2/3.

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Answer 2

2/3 because it is the reciprocal
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