A swimming pool is 2.1m deep. If it contains water of refractive index 1.3, calculate the apparent depth of pool?

A. 3.4m
B. 2.7m
C. 1.6m
D. 0.8m

Correct Answer: Option C
Explanation

n = real depth/apparent depth

1.3 = 2.1/apparent

A.D = 2.1/1.3=1.6