Question

state Archimedes principal. name the devices used to check purity of milk
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Answer 1

according to the Archimedes principle
if any object fully or partially emerged in water the loss of weight of object is inversely proportional to the loss of water..

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Answer 2

a) Archimedes' principle
b) Two applications are :
1) Floatation of ships and submarines
2) Design of Hydrometers to find the densities of liquids.

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