question_answer

There are some objects in this Universe, which are having their own light. Again, there are also some objects, which have no light of their own. Depending on this property, objects are divided into two types, that is, luminous and no luminous. Luminous or Non-Luminous nature of the object depends on which one of the following properties?

A) Nature of material

B) Quantity of material

C) State of material

D) All of these

E) None of these