What is the Mass in Physics | Question and Answer !

MASS - The SI unit of mass is Kilogram. The standard kilogram was established in 1887. It is the mass of a particular cylinder made of platinum-iridium alloy. which is an unusually stable alloy, Which is an unusually International Bureau of Weight and Measures in Paris, France.

What is the Mass in Physics | Question and Answer !

The Prototype kilograms made of the same alloy have been distributed to all countries the world over. For India, The national prototype is the kilogram no 57. This is maintained by the National Physical Laboratory in New Delhi.