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Match each SI derived unit with the base units it stands for.
List I
A. Newton
B. Pascal
C. Joule
D. Watt
List II
1. kilogram metre squared per second squared
2. kilogram metre per second squared
3. kilogram metre squared per second cubed
4. kilogram per metre second squared

  • A.A-2, B-4, C-3, D-1
  • B.A-3, B-1, C-4, D-2
  • C.A-2, B-4, C-1, D-3
  • D.A-4, B-2, C-1, D-3

Answer: C

Reducing a derived unit to base units is how any conversion or consistency check is settled. The pascal follows from the newton divided by an area and the watt from the joule divided by time. Every derived unit reduces to the seven base ones.

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