Test Index

JEE Main 2015 Question Paper

© examsnet.com

Question : 90

Total: 90

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:

goes horizontally without any deflection
bends downwards
bends upwards
becomes narrower

Go to Question:

Prev Question

More Free Exams: