A prism refracts light into its component colours just like a rainbow does, so some of the colours are....
* Red * Orange * Yellow * Green * Blue * Indigo * Voilet
.... and there are lots of intermediary colours in there also.
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A light prism typically shows the colors of the visible spectrum, which include red, orange, yellow, green, blue, indigo, and violet. These colors are produced when white light is dispersed and bent by the prism.
Colors are separated, not made. All the colors of the rainbow (a continuous spread of effectively an infinite number of colors). After all, a raindrop is a sort of prism.
prism. A prism works by bending different wavelengths of light at different angles, causing them to spread out and create a spectrum of colors.
Sir Isaac Newton concluded that the prism was not the source of colors because he observed that white light could be separated into its component colors when passed through a prism, indicating that the prism was only causing the separation of colors already present in the light. He reasoned that white light must be a mixture of different colors.
Violet light does not split into different colors when it passes through a prism.If it goes in violet, it comes out violet.White light is a combination of light of many colors. If you pass white light througha prism, a spread of different colors will come out of the prism, because each colorbends through a slightly different angle on its way through the prism.
When a beam of light is shone into a triangular prism, the light is refracted (bent) as it enters the prism, then reflected internally off the prism's surfaces, and finally refracted again as it exits the prism. This interaction between the light and the prism causes the light to separate into its component colors, creating a rainbow spectrum.
Isaac Newton used a triangular prism to separate white light into its spectrum of colors. When white light passes through the prism, the different wavelengths of light are refracted by different angles, causing them to spread out and create the rainbow of colors.