Which of the following is the most accurate statement related to the formation of a rainbow?

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Sunlight strikes raindrops suspended in the atmosphere and are dispersed as a result of refraction.

Sunlight strikes raindrops suspended in the atmosphere and are dispersed as a result of refraction and internal reflection.

After suffering reflection, the sunlight incident on raindrops hanging in the atmosphere is dispersed.

The sunlight itself shows 7 colours

answer is B.

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Detailed Solution

When sunlight enters the Earth's atmosphere and strikes raindrops, the light is refracted (or bent) as it enters the raindrop due to the change in speed of light in the denser medium of water. The light is then internally reflected at the surface of the raindrop and refracted again as it exits the raindrop. This process causes the white light to be dispersed into its component colors, forming a rainbow.

The different colors of light have different wavelengths, and each color is refracted by a slightly different angle, resulting in the separation of the colors.

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