luminosity of bulbs
By dream_tobe
@dream_tobe (1)
India
2 responses
@mythmoh (3986)
• United States
13 Oct 06
the unit of luminosity is watts.The brightness of the bulb depends on luminosity and the distance.Luminosity is a measure of the intrinsic brightness of a light source, eliminating any reference to how far the source is from the observer.
it is measured using a magnitude scale
