a:  Intensity ~
b:  brightness
What:  
"Instead they talk about the intensity of the light. Intensity is like brightness, and is measured as the rate at which light energy is delivered to a unit of surface, or energy per unit time per unit area"
Useful?
Writer:  Not Stated
LCC: 
Where:
Date:   May 26 2019  3:08 PM
# 12173 Critique Analogy
