JEE Main 2015 Question Paper

Section: Physics

Question : 90 of 90

Marks: +1, -0

On a hot summer night, the refractive index of air is smallest near the ground and increases with height from the ground. When a light beam is directed horizontally, the Huygens’ principle leads us to conclude that as it travels, the light beam:

[Main 2015]

goes horizontally without any deflection
bends downwards
bends upwards
becomes narrower

Validate

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