What appears after rain but fades without a sound or touch?

Category: Knowledge · Difficulty: easy

Hint: Look for something visible yet intangible following water droplets.

Answer

A colorful light spectrum

Explanation

A light spectrum, or rainbow, forms from refracted light in raindrops, disappearing quietly.

This is an easy knowledge riddle — a good one for children and beginners. The answer is A colorful light spectrum.

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