The visible spectrum is that portion of the electromagnetic spectrum that ranges from to nm.
A) 400;800
B) 300;600
C) 400;700

Question

Quizplus · Accepted Answer

The visible spectrum ranges from 400 to 700 nanometers. Option A has a range from 400 to 800 nm, which is beyond the visible spectrum and includes part of the infrared spectrum. Option B has a range from 300 to 600 nm, which is not long enough to cover the entire visible spectrum. Therefore, option C is the best choice.

The Visible Spectrum Is That Portion of the Electromagnetic Spectrum