Multiple choice

Which of the following instruments determines the specific gravity of liquids?

  1. Hygrometer

  2. Hydrometer

  3. Gravimeter

  4. Hypsometer
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A hydrometer is an instrument specifically designed to measure the specific gravity (relative density) of liquids. It works on Archimedes' principle - it floats higher in denser liquids. A hygrometer measures humidity, gravimeter measures gravitational field strength, and hypsometer measures altitude or determines boiling points.

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