Answers

2016-04-08T21:07:13+05:30
(a) The principle used to check the purity of milk is the specific gravity of Archimedes Principle. It checks the relative density of milk with respect to water.

(b-1)The principleĀ is used to check the purity of different substances.
(b-2)By using Specific Gravity to our advantage, we keep the specific gravity of ships and boats less than 1 (i.e. less dense than water) to keep them floating on water.

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