A mirage is observed when :
a) density of air decreases with increase of height
b) density of air increases with height
c) refractive index of air decreases with increase in height
d) earth acts like a mirror
Dear Student,
A mirage is observed when density of air increases with height.
Option (b) is correct.
A mirage is observed when density of air increases with height.
Option (b) is correct.