What makes the electromagnetic radiation from 400 nm to 700 nm visible?
A)Those wavelengths have greater amplitude than other wavelengths.
B)Those are the only wavelengths that can travel through the air.
C)Those are the only wavelengths that reflect off objects.
D)Our visual receptors are adapted to respond to those wavelengths.

Question

What makes the electromagnetic radiation from 400 nm to 700 nm visible?​
A)Those wavelengths have greater amplitude than other wavelengths.
B)​Those are the only wavelengths that can travel through the air.
C)​Those are the only wavelengths that reflect off objects.
D)​Our visual receptors are adapted to respond to those wavelengths.

Quizplus · Accepted Answer

The electromagnetic radiation from 400 nm to 700 nm is visible because our visual receptors, specifically the cone cells in our eyes, are adapted to respond to those wavelengths. This is why we see them as colors in the visible spectrum.

What Makes the Electromagnetic Radiation from 400 Nm to 700