Fathometer is used to measure

Q. Fathometer is used to measure

A. Earthquakes

B. Rainfall
C. Ocean depth

D. Sound intensity

Answer: Ocean Depth

Fathometers, an active sonar instruments used for navigation and safety to determine the depth of water. The fathom is a unit of waterdepth, from which the instrument gets its name.

The fathometer is an echo sounding system for measurement of water depth.

The depth of the ocean is measured in fathoms (unit of depth) and the instrument which is used to measure the depth of ocean is called fathometer.