Group U Luminous Objects

Luminous objects are objects that give out light (Glows or shines).
Things that are not luminous don't give off light but can reflect light example: a piece of glass.
To be able to be luminous the object needs a source of energy.
Examples of luminous objects…
:The sun
:Torch (because of the energy from the batteries.)

In order for us to see non luminous objects it must reflect some of the light given off by luminous source.Objects that we see on a daily basis such as cars,clouds and the moon are not luminous they just reflect sunlight.

Examples of non luminous objects…


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