Multiple choice general knowledge science & technology

The candela is one of the seven base units in the SI system. It measures...?

  1. Magnetism

  2. Luminous intensity

  3. Combustion rate

  4. Luminance
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The candela (cd) is the SI base unit for luminous intensity, which measures the power of light emitted in a particular direction. Luminance (option D) is different - it's luminous intensity per unit area. Magnetism and combustion rate are unrelated to the candela.

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