Question

what comes in the end of a rainbow​

Answer 1

A rainbow is a spectrum of light that appears in the sky when sunlight isrefracted through rain drops or other drops of moisture in the Earth's atmosphere. They have inspired much popular folklore, including the belief that a leprechaun can be found with a pot of gold at the end of a rainbow

Answer 2

It is a popular belief that there is a pot of gold at the end of a rainbow. However, this is not true. A rainbow is mere illusion, a trick of light. Hence, there is no pot of gold at the end of a rainbow.