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
ANS: A
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
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