Multiple choice general knowledge science & technology

The intensity of an earthquake is measured with a

  1. Barometer

  2. Hydrometer

  3. Polygraph

  4. Seismograph

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A seismograph is the instrument used to measure the intensity of earthquakes. It records the seismic waves produced by earthquakes. Barometer measures atmospheric pressure, hydrometer measures specific gravity, and polygraph is a lie detector.