Question

What EM wave can be seen by humans?

Answer 1

Answer:

the visible ray

Explanation:

the light in our eyes are detected by "rod" and "cone" cells. Each cell can only see certain colors of light, and humans seem to only have developed cells that can only see the "visible" part of the spectrum.

Answer 2

Answer:

Visible light is the light that we can see, and thus is the only light detectable by the human eye. White light is visible light, and it contains all the colors of the rainbow, from red to violet. The range of visible wavelengths is 400 to 700 nanometers.

Explanation:

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