A barometer is a device that measures atmospheric pressure. In one kind of barometer, the height of a liquid column in a tube is measured. In which diagram does the height $h$ show atmospheric pressure?
Physics 5054 · O Level · Pressure
A barometer is a device that measures atmospheric pressure. In one kind of barometer, the height of a liquid column in a tube is measured. In which diagram does the height $h$ show atmospheric pressure?