Question

Seismograph is used to measure 
1. Earth Quake
2. Heart Beat
3. Flow of Current
4. Blood Pressure
5. None of the above/More than one of the above.

Answer 1

Correct Answer - Option 1 : Earth Quake

The correct answer is Earth Quake.

• A seismograph records the waves reaching the surface during an earthquake.
• The sudden tremors or shaking of the earth's crust is called an earthquake.
• The earth’s crust is made up of different parts of various sizes. They are called plates.
• Most of the earthquakes in the world are caused by the movements of the plates.
• ‘Seismology’ deals with the study of the earthquake.
• ‘Richter scale’ and ‘Mercalli scale’ are the instruments to measure and record the magnitude and the intensity of an earthquake respectively.

Ammeter	Electric current
Glucometer	Blood glucose (diabetes)
Lactometer	Specific gravity of milk
Mercury Barometer	Atmospheric pressure
Odometer	Distance travelled
Pyrometer	High temperatures
Thermometer	Temperature
Zymometer	Fermentation.
Voltmeter	Electric potential, Voltage