Question

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 huygen principal leads to conclude that as it travels the light beam
a. bends downward
b. bends upwards
c. becomes narrower
d. goes horizontally without any deflection
please explain with proper explaination

Answer 1

Answer:

Bends upwards

Explanation:

Mew Sinø = const

So ø and mew have inverse relation