Question

You need to measure the brightness of a light bulb using the metric system. In which unit do you express your measurement?

A. meter

B. liter

C. kilogram

D. candela

***My answer: D. Candela

because candela is the unit of light intensity...
idk if that applies here?? :) please explain!! thanks :)

Answer 1

Candela is the correct answer. In measuring the brightness or luminosity of the bulb and you want to use the metric system, candela is the unit to be used. You are correct that candela is the unit of light intensity. The term candela is the Latin for candle which signifies light.