Question

on entering in a medium from air, the speed of light becomes half of its value in air. find the refractive index of thst medium with respect to air?​

Answer 1

Answer:

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Explanation:

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Answer 2

$n=2$ is the refractive index of that medium with respect to air.

Explanation:

Refraction is the phenomenon of changing of speed of light when the light  passes from one medium to another.

We know by the Snell's law that:

Refractive index:

$n=\frac{c}{v}$

where:

c = speed of light in air

v = speed of light in the medium

Therefore according to given:

$n=\frac{c}{0.5 c}$

$n=2$

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TOPIC: refraction,

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