Question

CAN ANYONE EXPLAIN..?
A rectangular tank of depth 6m is full of water of refractive index 4/3. When viewed from the top, the bottom of the tank is seen at a depth of
A) 4.5 m
B) 2.5 m
C)1.3 m
D)3 m

Answer 1

depth of tank is real depth divided by refractive index of medium

Answer 2

the option number be is correct