Question

what is dispersion of white light?​

Answer 1

when the white light passes through a prism or prism like structure then it disperses into seven different colours. VIBGYOR

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Answer 2

The dispersion of white light refers to its separation into different color components. White light or visible light consists of the colors red, orange, violet, green, blue and yellow. This phenomenon can occur when white light travels through a glass prism.

The white light that enters the prism is refracted at different angles, causing the separation of this light into the different colors. Each of these colors has a different wavelength. As the degree of refraction increase, the wavelength decreases. A shorter wavelength means that light bends more than at a longer wavelength. Red and orange light exhibits longer wavelengths, while blue or violet light has shorter ones. The wavelengths of the different colors from red through violent range between 400 to 700 nanometers, where violet light is about 400 nanometers and red is 650 nanometers.

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