What is the Archimedes’ principle?

Archimedes was a Greek scientist who studied at the Museum of Alexandria. He had done a lot of research in geometry, hydrostatics and mechanics. His studies and theories were pathbreaking ones because they laid the base for great discoveries for scientists of the future. In fact, they proved to be of great help to Galileo, Newton and others, who made revolutionary discoveries.


Archimedes is renowned for his principle which says that the weight of a solid is equal to the weight of water displaced by it, when immersed in water.


Eureka!


There is an interesting story about how Archimedes discovered his famous principle. It is said that the King of Syracuse in Greece suspected that a jeweler had cheated him. The King asked Archimedes if he could determine if the object was made of pure gold. Archimedes went over the problem in his mind and the answer came suddenly to him one day, while he was in his bath. Excited by his discovery, he is said to have run home without putting on his clothes, shouting ‘Eureka!’ (I have found it!)