Question

a tabular filled with water has an inverted tube with mercury (a) if the air pressure is more outside what will be the level of Mercury (b)if the air pressure is less outside what will be the level of mercury is the tube

Answer 1

(a) if the air pressure is more outside then the level of Mercury will rise .(b)if the air pressure is less outside what will be the level of mercury is the tube-leve of mercury will fall