Luminosity -- from Eric Weisstein's World of Physics

Wolfram Research scienceworld.wolfram.com Other Wolfram Sites

Astrophysics
Electromagnetism
Experimental Physics
Fluid Mechanics
History and Terminology
Mechanics
Modern Physics
Optics
States of Matter
Thermodynamics
Units and Dimensional Analysis
Wave Motion

About this site
FAQ
What's new
Random entry
Contribute
Sign the guestbook
Email ScienceWorld

Luminosity

Luminosity is an energy flux, equal to the rate of energy flow per unit area per unit time across some surface. Optical luminosity can be measured in lux or lumens.

Energy Flux, Luminous Intensity