Question

The speed of the light in a diamond is 1, 24,000 km/s. Find the refractive index of diamond if the speed of light in air is 3,00,000 km/s.​

Answer 1

Answer:

n=c/v

putting value

124000=300000/v

= 2.14m/s

Answer 2

Answer:

The refractive index of diamond = 12.5

Explanation:

Given data :

The speed of the light in a diamond = 24000km/s

The speed of the light in air = 300000km/s

To find :

Refractive index of diamond.

Solution :

We know that ,

Refractive index = Speed of light in air

of the medium. Speed of medium in air

= 300000 km/s

24000 km/s

= 12.5

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