Question

give reason a rainbow consists of a pattern of seven colours​

Answer 1

Answer:

Rainbows appear in seven colors because water droplets break sunlight into the seven colors of the spectrum. You get the same result when sunlight passes through a prism. ... The rainbow effect occurs because the light is then reflected inside the droplet and finally refracted out again into the air.

Explanation:

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Answer 2

Answer:

Rainbow consists of a pattern of seven colours because water droplets present in the atmosphere at like several tiny prism which refract light similar to a prism a water droplet is optically denser than air around it has light rays tougher refraction on entering a water droplet each colour inside the water droplet travels at a different speed and hands does not come out at the same time this college splitting of colours and hands formation of spectrum known as rainbow.