What is meant by dispersion of light'? Name a natural phenomenon which is caused by the dispersion of sunlight in the sky.

Dispersion of light is the separation of white light or visible light into different colors is known as dispersion.

Formation of rainbow is a natural phenomenon which is caused by the dispersion of sunlight in the sky. The sunlight splits into 7 colors, namely, violet, indigo, blue, green, yellow, orange and red.