JAMB - Physics (1988 - No. 26)

When white light is dispersed by a spectrometer, the component having the shortest wavelength is
orange
green
violet
red

Explanation

Wavelength Order: In the visible spectrum, the order of colors from shortest to longest wavelength is as follows: violet, blue, green, yellow, orange, and red.
Therefore, violet light has the shortest wavelength, making it the first color in the spectrum when white light is dispersed.

Comments (0)

Advertisement