Unit of Light Intensity
Puzzle 2 of Best Friends Easy Pack
Question is: Unit of Light Intensity
and the answer is: CANDELA
Word Meaning:
CANDELA — In the International System of Units, the base unit of luminous intensity; the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540 × 10¹² hertz and that has a radiant intensity in that direction of 1/683 watt per steradian. Symbol: cd
Definitions from Wiktionary.