Light is made up of wavelengths of light, and each wavelength is a particular colour. The colour we see is a result of ... When all the waves are seen together, they make white light. ... Objects appear different colours because they absorb some colours (wavelengths) and reflected or transmit other colours. read more
White light is made up of all the colors of light. Sunlight contains all the colors of light in a continuous spectrum. A prism may separate the colors and produce a rainbow. read more
Newton first demonstrated this by sending white light through a glass prism. Different colors of light correspond to different frequencies of electromagnetic radiation, and when they pass through a material such as glass, they get refracted at different angles and thus they spread out so that you can see the various colors. read more
White light is actually made of all of the colours of the rainbow because it contains all wavelengths, and it is described as polychromatic light. Light from a torch or the Sun is a good example of this. read more