. A water pond appears to be 2.7 m deep
A water pond appears to be 2.7 m deep. If the refractive index of water is 4/3, find the actual depth of the pond.
Apparent depth = 2.7 m
Refractive index of water μw = 4 / 3
Real depth = Apparent depth × μw
Real depth = 2.7 × 4 / 3
Real depth = 3.6 m