Question

what is dispersion in light?​

Answer 1

The separation of white light into colours or of any radiation according to wavelength.

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Answer 2

Dear student,

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☆The separation of visible light into its different colors is known as dispersion. It was mentioned in the Light and Color unit that each color is characteristic of a distinct wave frequency; and different frequencies of light waves will bend varying amounts upon passage through a prism.

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Learn more :-

♧ What causes light dispersion?

Dispersion occurs due to the different degrees of refraction experienced by different colours of light. Light of different colours may travel with the same speed in a vacuum, but they travel at different speeds in some refracting medium. The speed of violet light is relatively lower than that of red light.

♧ How is light dispersion calculated?

For material dispersion, this means the index of refraction in a material differs slightly depending on wavelength. (Recall that the index of refraction is n = c/v, where c is the speed of light in a vacuum and v is the speed of light in the given medium.)

♧ What is dispersion of light explain with example?

Example: Formation of Rainbow during a cloudy day. Step 1: Sunlight passes through the raindrops. Step 2: Some of the sunlight is reflected and some other part is refracted (passes into the water droplets).

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