Physics, 25.06.2021 17:10 osuigwewhitney487

A light ray enters the atmosphere of a planet and descends vertically to the surface a distance h below. The index of refraction where the light enters the atmosphere is 1.00 , and it increases linearly with distance to have the value n at the planet surface. Required:
a. Over what time interval does the light traverse this path?
b. By what fraction is the time interval larger than that required in the absence of an atmosphere?

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A light ray enters the atmosphere of a planet and descends vertically to the surface a distance h be...