Topic: practical application of barometer and units of at

Practical Application of Barometer Barometer is used to measure Altitude. The Altimeter of an Aeroplane is an Aneroid barometer with the scale marked directly in height units which is also converted to digital with Analog to digital converter. Barometer is used to forecast weather conditions.  Meteorologists used barometer to forecast whether . This is being used due to variation in density of Air. Moist air is less dense than dry air and is about 5/8 as dense as dry air. Therefore moist...