Question

Name the S.I unit of mass and define it.

Class 9 ICSE
Selina [Concise]

Answer 1

Hey there!

The S.I unit of mass is kilogram (kg).

One kilogram is defined as the mass of cylindrical piece of platinum-iridium alloy kept at the International Bureau of Weights and measures at Sevres near Paris.

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Answer 2

S.I. unit of mass os kilogram (kg).

The kilogram is a unit of mass which is equal to 1000 grams. It is defined as the mass of a particular international prototype....


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