Question

Which instrument is used to measure the depth of the ocean?

• A. Galvanometer
• B. Fluxmeter
• C. Endoscope
• D. Fathometer​

Answer 1

The correct option is D

Fathometer​

The explanation for the correct option:

In the case of option D,

A fathometer is one such device that is used to determine ocean depths.

The explanation of incorrect options:

1. In the case of option A, the Galvanometer is used to measure electric current.
2. In the case of option B, the Fluxmeter is used to measure the magnetic flux.
3. In the case of option C, the Endoscope is used to examine the internal parts of the body.

Hence, Option(D) is correct.