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What is dispersion of light?
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What is dispersion in optics?
As a result, the coloured light spreads out to form a spectrum of white light. This is called dispersion. Key points. The spectrum of white light is produced because different...
When white light is passed through a glass prism it splits into its spectrum of colours (in order violet, indigo, blue, green, yellow, orange and red) and this process of white light splitting into its constituent colours is termed as dispersion.
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- A prism is defined as a transparent solid body that has three rectangular lateral surfaces and two triangular faces that are inclined at an angle.
- The change in direction of a wave, while passing from one medium to another is known as refraction.
- Refraction of light is the change in the direction of light as it passes from one medium to another. And when the light bounces off a medium, it is...
- Twinkling of stars and formation of rainbow.
Dispersion is defined as the spreading of white light into its full spectrum of wavelengths. More technically, dispersion occurs whenever the propagation of light depends on wavelength. Figure \(\PageIndex{2}\): Even though rainbows are associated with six colors, the rainbow is a continuous distribution of colors according to wavelengths.
Oct 1, 2024 · The dispersion of light is illustrated by the refraction of white light by a glass prism. White light contains the wavelengths of all the colours of the spectrum. Each colour has a different wavelength (and frequency), making up a very narrow part of the electromagnetic spectrum.
The dispersion of light by glass prisms is used to construct spectrometers and spectroradiometers. However, in lenses, dispersion causes chromatic aberration, an undesired effect that may degrade images in microscopes, telescopes, and photographic objectives.
Dispersion of light is the splitting of white light into its constituent colors due to the refractive index of the surface and the wavelength of the light. If the light entering the prism is not of a single colour then the emergent beam also has different colours arranged in a definite order.
Dispersion is defined as the spreading of white light into its full spectrum of wavelengths. More technically, dispersion occurs whenever there is a process that changes the direction of light in a manner that depends on wavelength.
