Instruments Used to Measure Atmospheric Pressure
- Atmospheric pressure can be measured by either
- a simple barometer,
- a Fortin barometer
- an Aneroid barometer.
- In SPM, most of the questions asked are related to the simple barometer.
- For Fortin barometer and Aneroid barometer, you only need to know their working principle.
Simple Mercury Barometer |
The Fortin Barometer. This image is created by Edal Anton Lefterov and shared under the Creative Commons Attribution-Share Alike 3.0 Unported license. |