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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

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

Grade:12

1 Answers

Ram Aggarwal
38 Points
6 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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