The amount of water vapour in the air is the same everywhere.

Two containers A and B are partly filled with water and closed. The volume of A is twice that of B and it contains half the amount of water in B. If both are at the same temperature, the water vapour in the containers will have pressure in the ratio of

Presence of water amount in enamel is -

Relative humidity of air is 60^(@)C and the saturation vapour pressure of water vapour in air is 3.6kPa . The amount of water vapours present in 2 L air at 300 K is

The relative humidity of air is 80% at 27^(@)C . If the aqueous tension at the same temperature is 27 mm of Hg. The partial pressure of water vapour in the air will be (in mm of Hg).

A coil takes 15 min to boil a certain amount of water, another coil takes 20 min for the same process. Time taken to boil the same amount of water when both coil are connected in series

A sounding fork whose frequency is 256 Hz is held over an empty measuring cylinder. The sound is faint , but if just the right amount of water is poured into the cyclinder , it becomes loud. If the optimal amount of water produce an air column of length 0.31 m , then the speed of sound in air to a first approximation is

Describe the importance of water vapour in air.

10 litres of an air sample with relative humidity 0.6 is compressed to 5 litres at same temperature. What is the partial pressure of the water vapour in the compressed air, if the pressure of saturated water vapour at that temperature is 2.4 K Pa

The amount of air remaining in the air passages and alveloi at the end of quiet respiration is