Sources of Light
The Concept of Light
Explain the concept of light
Light can carry both energy and information. It both is the way the sun delivers energy to the world, making life possible, and it is a very important way that we learn about the world, through our sense of sight.
Sources of Light
Identify sources of light
The sun is the natural source of light. On the other hand, torch, candle, kerosene lamp, electric bulb, Florescent lamp, etc are some common examples of artificial sources of light, bodies which give out light are called Luminous bodies .
Difference between Luminous and Non-luminous Bodies
Distinguish luminous from non-luminous bodies
Non-luminous bodies are bodies which do not produce light, non-luminous bodies are seen because they reflect light from luminous bodies in such a way that our eyes receive light from travel in a straight line. Due to transmission of light, we are able to see.
