The refractive index of seawater:
A) is greater than freshwater.
B) is less than freshwater.
C) is equal to freshwater.
D) decreases with increasing salinity.

Question

Quizplus · Accepted Answer

The refractive index of seawater is greater than freshwater. As the salinity of water increases, the refractive index increases as well. Information can be found in the section Refraction Can Bend the Paths of Light and Sound through Water.

The Refractive Index of Seawater