Paper 1 · Specimen 2026 · Measurement and Units
Which one is the SI unit of temperature?
A°C
B°K
CK
DC
Explanation
The SI base unit of thermodynamic temperature is the kelvin, written K with no degree sign. A is the degree Celsius, a derived everyday unit, B adds a degree sign the kelvin does not take, and D is the symbol for the coulomb.
ZIMSEC Physics 4023/1 Paper 1, Specimen Paper, Q1