Tag: light travels in straight line

Since there is no source of light in the room, so reflection can't be seen in the mirror. Th given statement is thus false.

Moon reflects the light of sun and not its own light. So, moon is a non-luminous body.

Sun is a luminous object since it generates light of its own.

The reflection from a concrete sidewalk is a diffused reflection yes it is true as they are not a perfect reflecting surface.

ARROWS are used to specify the direction of propagation of a light.

Luminous objects are those which emit their own light. For example, sun and stars.

Self-luminous bodies are those bodies that produce light of their own.
Sun has its own light.

Sun is a natural source of light, which emits light of its own.

Light is:
(i) An electromagnetic radiation
(ii) A transverse wave
(iii) Massless

A source of light is any device serving as a source of illumination;