I can be measured but not touched, I symbolize both energy and color. What am I?

Category: Science · Difficulty: expert

Hint: Think about the properties of light and sound.

Answer

A wavelength

Explanation

A wavelength determines the properties of different forms of energy, such as light and sound, but cannot be directly touched.

This is a expert science riddle — one of the harder riddles here. The answer is A wavelength.

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