Multiple choice general knowledge

What is the unit for LUMINOUS INTENSITY?

  1. Joule

  2. Ampere (A)

  3. Candela (cd)

  4. Volt

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Candela (cd) is the SI base unit for luminous intensity - the power of light emitted in a particular direction. It measures how bright a light source appears to the human eye.