A rainbow is formed by refraction of light as it passes through awater droplet.

Question

A rainbow is formed by refraction of light as it passes through awater droplet. In the ray diagram in the following figure, which ofthe following statements best explains the origin of a rainbow?(Select all that apply.) Light from the water droplet ispolarized. Different rays refract at differentangles due to their color. Differentrays reflect at different angles due to their color.The water droplet must be exactlyspherical for a rainbow to occur. The water droplet acts like a lens andfocuses the light.

Explanation / Answer

The inner wall of the water droplet is creating a virtualimage behind the water droplet (like a converging mirror, or adivergent lens).

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