In the acronym VIBGYOR, the word “I” stands for ____.

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Detailed Solution

In the acronym VIBGYOR, the word “I” stands for indigo.
Dispersion of light is splitting white light into a band of seven colours. The light of all colours travels at the same speed in a vacuum. When white light is incident on a prism, the different colours of light refract at different angles, which results in the formation of a spectrum of seven colours.
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These seven colours are violet, indigo, blue-green, yellow, orange, and red, which is known as (VIBGYOR). Newton first showed that light is composed of seven different colours.
Dispersion refers to the splitting of visible light into its component colours. Light dispersion is caused by a change in the speed of the light beam (resulting in an angle of deviation) of each wavelength by a different amount.

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