What is Dispersion......
Answers
Dispersion :
The phenomenon of splitting of white light into it's constituent colours after passing through a prism. A band of seven colours is obtained is called Dispersion of light.
Red colour has higher wavelength. Due to this it bends less also scattered less. Violet colour has less wavelength. Due to this it bends the most and scattered easily by dust particles etc.
What is prism?
=> It is a transparent medium bounded by two plane faces which are inclined to each other at an angle. And the angle between them is called refracting angle and angle of prism (A).
• Dispersion by a prism.
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Answer: -
•The Splitting of white light into its constituent colour is called dispersion of light.
•Light disperses and create a rainbow effect, when it propagate and refracts in a prism.
•The order of a colour in a rainbow is popularly identified using the acronym, VIBGYOR, Each letter standing for a colour in order.