The wavelength of visible light ranges from 400 _____ to 780 _____.
A) micrometers; nanometers
B) kilometers; meters
C) meters; meters
D) millimeters; centimeters
E) nanometers; nanometers

Question

Quizplus · Accepted Answer

The correct units for the wavelength of visible light are nanometers (nm). The range of visible light wavelength is from approximately 400 nm (violet) to 780 nm (red). Therefore, the only choice with the correct units for wavelength is E, which has nanometers listed for both parts of the range.

The Wavelength of Visible Light Ranges from 400 _____ to 780