What is dispersion? Write seven colours of sunlight.
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The sun's rays are actually white in colour and form a mixture of the seven colours we see in a rainbow, i.e., Violet, Indigo, Blue, Green, Yellow, Orange, and Red, commonly called VIBGYOR. The sun appears to have different colours during the course of a day because of a process called dispersion.
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Required Answer:-
⟶ Dispersion of light is the phenomena of scattering of a white light into seven colours when passed through a glass prism.
The seven colours present in the sunlight are:-
- Red
- Orange
- Yellow
- Green
- Blue
- Indigo
- Violet
We can also say these as, VIBGYOR.
These seven colours which scatter from a glass prism are also known as spectrum of light.
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Extra Information:-
- Among these seven colours, red has the greater wavelength.
- Among these seven colours, violet has the least wavelength.
- The colour with high wavelength has more tendency to move particles from their path.
- The colour with least wavelength scatter away on collapsing with particles.
- The colour which bends the least after scattering through a glass prism, has the highest wavelength.
- The colour which bends the most after scattering through the glass prism, has the least wavelength.
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