Question

Draw a diagram to explain the working of simple barometer.​

Answer 1

This is a mercury barometer in which

increase in pressure results in rise of

mercury level.

Answer 2

Answer:

A simple barometer consists of a long glass tube (closed at one end, open at the other) filled with mercury and turned upside down into a container of mercury. ... As air pressure increases—that is, as the air becomes heavier—it pushes more of the mercury up into the tube.