What wavelengths of light can the human eye see?
A)3.8 μm to 7.5 μm
B)3.8 nm to 7.5 nm
C)380 cm to 750 cm
D)380 nm to 750 nm
E)3.8 m to 7.5 m

Question

Quizplus · Accepted Answer

The human eye can see visible light which ranges from approximately 380 nanometers (violet) to 750 nanometers (red), and therefore the correct answer is D. Option A, B, C, and E are incorrect since they are outside the visible light spectrum.

What Wavelengths of Light Can the Human Eye See