Which of the following electromagnetic spectra has the shortest wavelength?
A
Ultra violet radiation
B
X - rays
C
Visible light
D
Infrared
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
The general ordering of the electromagnetic spectrum from shortest to longest wavelength is as follows:
1. Gamma rays
2. X-rays
3. Ultraviolet (UV) rays
4. Visible light
5. Infrared (IR) radiation
6. Microwaves
7. Radio waves
Therefore, X-rays are the correct answer.
Source: WAEC / JAMB / NECO Classroom Archive (Record #74481)