Question

7. Which quantity will compare the refractive indices of two media?​

Answer 1

Answer:

If the refractive indices of two media are equal, then light ray is not refracted and the interface between two media is not visible.

Answer 2

Explanation:

The quantity used to compare the refractive indices of two media is the ratio of the velocity of light in a vacuum to its velocity in the medium, commonly represented by the symbol n. The refractive index is defined as the ratio of the velocity of light in a vacuum to its velocity in a particular medium. It is a dimensionless quantity that indicates the degree to which light slows down as it enters a medium.

The higher the refractive index of a medium, the slower the speed of light in that medium. This means that the light will bend more as it enters the medium, and this bending of light is what causes refraction. The refractive index of a medium is an important factor in determining the properties of light transmission through that medium, such as the angle of refraction and the amount of light that is transmitted.

In conclusion, the refractive index of a medium is a crucial property that determines the behaviour of light as it passes through that medium. The refractive index can be calculated by comparing the velocity of light in a vacuum to its velocity in the medium, and this ratio is a useful tool for comparing the refractive indices of two different media.

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