Answer:
49°
Explanation:
Depth at which the fish is found= 1.2 m
refractive index for water, n= 1.333
Using snell's law we can write
[tex]\frac{sin {i}}{sin {r}}=n[/tex]
i and r are angle of incidence and angle of refraction respectively
Here, r= 90°
put value of n and r to get i
[tex]\frac{sin {i}}{sin {90}}=1.333[/tex]
sin 90= 1 and [tex]sin^{-1}(1.333)= 49°[/tex]
implies that i= 49°
hence, the maximum angle of incidence i= 49°
