Multiple choice general knowledge science & technology

The instrument used to measure the intensity of an earthquake is known as …….

  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 and record the intensity of earthquakes. It detects and records the ground vibrations caused by seismic waves. A barometer measures atmospheric pressure, a hydrometer measures liquid density, and a polygraph is a lie detector. This is basic earth science knowledge.

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