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KEAM 2022 Physics and Chemistry Solved Paper

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Question : 57

Total: 120

The INCORRECT statement is

Optical density is the ratio of speed of light in two media.
Hotter air is less dense than the cooler air.
Cooler air has higher refractive index than the hotter air.
The refractive index of air decreases with its density.
Optical density of air increases with height of air layer.

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