Question

Define luminous body​

Answer 1

Answer:

A luminous body is one that emits its own light example- sun. Non luminous bodies are objects that reflect light from luminous bodies.

Answer 2

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