JAMB - Physics (1981 - No. 2)
A vapour is said to be saturated when?
more molecules return to the liquid than leave it
a dynamic equilibrium exists between the liquid molecules and the vapour molecules at a given temperature
the vapour pressure is atmospheric
the temperature of the vapour varies
all molecules are moving with the same speed
解释
A vapor saturated is said to be in a dynamic equilibrium with its own liquid