Question

Which SI unit is used when dealing with the intensity of light?

A.
feet


B.
meters


C.
candela


D.
kilometers

Answer 1

Hello! The SI based unit for measuring the intensity of light is the candela. It’s defined as the luminous intensity in a direction that emits radiation of frequency and radiation intensity in the same direction. It’s replaced the standard candle as the unit. The answer is C: candela.

Answer 2

c. candela . this is the answer.