In the international system of units, the unit of mass is:
Correct answer: B. Kilogram
- A. Gram
- B. Kilogram
- C. Milligram
- D. Pound
Explanation
The kilogram is the fundamental unit of mass in the SI system. It is defined as the mass of the international prototype of the kilogram, a platinum-iridium alloy cylinder kept at the International Bureau of Weights and Measures (BIPM) in France. The kilogram is used as the base unit for mass in the SI system, and all other units of mass are derived from it.
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