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Q.

The refractive index of the atmosphere is different at different altitudes, the density of the air


starts to ____ as we go above the earth’s surface.


see full answer

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Detailed Solution

The refractive index of the atmosphere is different at different altitudes, the density of the air starts to decrease as we go above the earth’s surface.
As there is less air present at high altitudes, the density of air decreases as we rise above the earth's surface. As the density of the air decreases, the refractive index gradually increases. As a result, the refractive index of the atmosphere changes with altitude.
 
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