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on a hot summer night the refractive index of air is smallest near the ground and increases with hieght from the ground . when a light beam is directed horizontally the huygens principle leads to the conclusion tht
1.bends upwards
2.becomes narrower
3.bends downwads
4.goes horizontally without any deflection

harshit , 9 Years ago
Grade 12
anser 1 Answers
Ram Aggarwal

Last Activity: 9 Years ago

On a Hot summer day night the refractive index of air is smallest near the ground and increases with height from the ground. When the light beam is directed horizontally The Huygens Principle leads to the conclusion that 1.
It will bend bend upwards

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