It is used in
(i) designing ships and submarines.
(ii) Hydrometers, which are used for determining density of liquids.
(iii) Lactometers, used to determine the purity of a sample of milk.
It is used in
(i) designing ships and submarines.
(ii) Hydrometers, which are used for determining density of liquids.
(iii) Lactometers, used to determine the purity of a sample of milk.