The visible portion of the electromagnetic spectrum extends from
A)200 nm to 500 nm.
B)300 nm to 600 nm.
C)400 nm to 700 nm.
D)500 nm to 800 nm.
E)600 nm to 900 nm.

Question

Quizplus · Accepted Answer

The visible portion of the electromagnetic spectrum ranges from approximately 400 nm (violet) to 700 nm (red). Therefore, choice C is the best answer as it encompasses this range.

The Visible Portion of the Electromagnetic Spectrum Extends from