Question

The critical angle between water and air is 45 degree--------- what is meant by the statement???​

Answer 1

Answer:90 degree

Explanation:

Answer 2

Answer:

Explanation:

We know that the refractive index of water,  n1 = 1.00

And, the refractive index of air,  n2= 1.33

Using equation (2), and applying these two values as;

             θcritical = Sin-1 (1.00/1.33)

mark me brainlist