Multiple choice Which of the following matches incorrectly with its unit? (a) and (c) (a) and (b) (b) and (d) only (d) only (c) Reveal answer Fill a bubble to check yourself B Correct answer Explanation Yes, (a) and (b) both are incorrectly matched. The unit of luminous intensity is cd (candella) and the unit of thermodynamic temperature is K (kelvin).