The dimensions of a hall are 10 m × 7 m × 5 m. If the density of air is 1.11 kg m-3, find the mass of air in the hall.
Arrange the following substances in order of their increasing density:
Iron, Cork, Brass, Water, Mercury.
A given quantity of a liquid is heated. Which of the following quantity will vary and how ?
(a) mass, (b) volume and (c) density