Light
-Form of energy which our senses of sight can detect.

Speed of light
-300,000 kilometers per sec

Different colours of light
There are different colours of light because they are light waves which have different wavelengths. Red light has the longest wavelength while violet light has the shortest wavelength.

Primary colours of light?
Red, green and blue are the primary colours of light.
Mixing them in various ways will make all other colours, including white.

What is reflection? The bouncing back of light waves when they hit an object wit...

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