Question

List all possible sources of light which tables you to see try a list at least 10 to 15 you may add the following to your list different kind and lamps in your house different source you see in natural different sources used by man in the past etc

Answer 1

light source may be as follows..

LED lights

tubelights

table lamp

mobile torch

battery torch

laser light

moonlight

sunlight

street light

hanging lights

etc