by on January 11, 2021
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Emission and Nature of Light

Light is a form of energy called solar energy. Its is a form of wave that comes from a source and is being propagated through space and does not require a medium for its propagation.

Light travels best and faster in a vacuum unlike sound waves.

We can define light as follow;

Light is a visible form of energy which is radiated outward from a source.

Sources of Light.

Light from Sun comes to the earth by radiation. Light from Moon is as a result of reflection of the light ray from Sun that strike the surface of the Moon, therefore Moon is not a luminous object. Other source of light are stars, Electric bulbs,

 

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