The anaroid barometer is usually used to measure altitude, which is named as altimeter.
Q & AQ: Explain why the barometer can be used to measure altitude.
The atmospheric pressure is inversely proportional to the altitude. The altitude can be determined from the atmospheric pressure.
Q & AQ: Why a simple barometer is not suitable to be used to measure altitude?
- Hard to be carried
- Mercury is volatile. It can evaporate easily
- Mercury is poisonous