When you look up at a rainbow in the sky, you may notice that it displays a beautiful array of colours. But have you ever wondered exactly how many colours are present in a rainbow?
The answer may surprise you - there are actually seven distinct colours in a rainbow. These colours are red, orange, yellow, green, blue, indigo, and violet. Each colour in the rainbow corresponds to a different wavelength of light, which is why we see them as separate hues.
Red is the longest wavelength in the visible light spectrum, while violet is the shortest. The other colours - orange, yellow, green, blue, and indigo - fall in between these two extremes. When light passes through raindrops in the atmosphere, it is refracted and dispersed into these seven colours, creating the beautiful phenomenon we know as a rainbow.
It's important to note that while we see seven colours in a rainbow, there are actually infinite shades and variations within each colour. This is due to factors such as the angle of sunlight, the size of raindrops, and the observer's position, which can all affect how the colours appear in the sky.
So, the next time you see a rainbow, take a moment to appreciate the magical display of seven distinct colours in the sky. And remember, each colour in the rainbow is a unique and beautiful part of the spectrum of visible light.
In conclusion, there are seven colours in a rainbow - red, orange, yellow, green, blue, indigo, and violet. These colours are a result of the dispersion of light through raindrops in the atmosphere, creating a stunning natural phenomenon that never fails to awe and inspire.
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