Visible light with wavelengths at the long-wavelength end (λ = 700 nm) appears as which color?
A) red
B) orange
C) yellow
D) green
E) blue

Question

Visible light with wavelengths at the long-wavelength end (λ  = 700 nm) appears as which color?
A) red
B) orange
C) yellow
D) green
E) blue

Quizplus · Accepted Answer

Visible light with wavelengths at the long-wavelength end (λ = 700 nm) appears as red. This is due to the fact that red light has the longest wavelength within the visible spectrum, followed by orange, yellow, green, blue, indigo, and violet. Thus, option A is the best choice.

Visible Light with Wavelengths at the Long-Wavelength End (λ =