Why is refractive index of atmosphere different at different altitudes?


The density of air changes with altitude. As we go higher from the earth's surface, the density of air decreases.

Due to changes in the behavior of air, the refractive index also changes. The Refractive index also decreases as we move higher up from the earth's surface.

So, the refractive index of the atmosphere different at different altitudes

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Updated on: 10-Oct-2022

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