Question

The bodies which give _________ energy of their own, are called luminous bodies.

Answer 1

Drawing the diagram of the situation:

1. The bodies which emit light are called luminous bodies.
2. These objects are able to reflect light into our eyes.
3. Example: Sun, stars, burning candle, Torch, etc.

Note: Moon is a nonluminous body, as it does not emit its own light, it only reflects sunlight falling on it.

Hence, the bodies which give light energy of their own, are called luminous bodies.