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Which of the following electromagnetic spectra has the shortest wavelength?

Physics
JAMB 2025

Which of the following electromagnetic spectra has the shortest wavelength?

  • A. Ultra violet radiation
  • B. X - rays
  • C. Visible light
  • D. Infrared
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Correct Answer: Option B
Explanation

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.

There is an explanation video available below.

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts