What color used to illuminate dash instrument displays is said to assist driver night vision?
A) white
B) blue
C) green
D) red

Question

Quizplus · Accepted Answer

Red light is used to illuminate dash instrument displays because it helps preserve night vision better than other colors. This is because red light has a longer wavelength, which is less likely to disrupt the rod cells in the human eye that are responsible for night vision.

What Color Used to Illuminate Dash Instrument Displays Is Said