Q. Which is a derived SI unit?

कौन सी व्युत्पन्न SI इकाई है?

Meter
मीटर

Second
सेकंड

Kilogram
किलोग्राम

Joule
जूल

Meter, Second, Kilogram: These are all base SI units (for length, time, and mass, respectively).

Joule (J): The Joule is a derived SI unit for energy or work. It is defined as a Newton-meter (

N \cdot m

) or, in base units, as

k g \cdot m^{2} \cdot s^{- 2}

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