Question

define lueminous &non-lueminous​

Answer 1

Answer:

Objects like the sun that give out or emit light of their own are called luminous objects.Others examples: Electric bulb,torch etc.

Non-luminous objects are objects which doesn't have their own light but visible only when light from luminous source reflects from them. For example: Moon, chair, a painting etc.

Answer 2

Answer:

lueminous :-

Object which emit light of their own. Eg: Sun, Bulb, Candle, Fire. Illuminated or Non-luminous : Objects which donot have light of their own, but reflect off the light of luminous objects that fall on them to our eyes . They are visible due to the light they reflect.

non-lueminous:-

Objects that cannot emit light energy by themselves are known as non-luminous objects.