Question

How can u obtain a point source of light ?

Answer 1

Generally a source of light can be considered a point source if the resolution of the imaging instrument is too low to resolve its apparent size. There are two types and sources of light.

Answer 2

: a source of radiation (such as light) that is concentrated at a point and considered as having no spatial extension

2: an identifiable confined source (such as a smokestack or wastewater treatment plant) from which a pollutant is discharged or emitted