Physics 9702 · AS & A Level · Electromagnetic spectrum

Electromagnetic spectrum — practice question

The table presents the wavelengths of five electromagnetic waves. Which row correctly names the principal radiation for each of these wavelengths?

  • A$10^{-14}\,\text{m}$ gamma-ray, $10^{-10}\,\text{m}$ X-ray, $10^{-6}\,\text{m}$ infrared, $10^{-2}\,\text{m}$ microwave, $10^{2}\,\text{m}$ radio wave
  • B$10^{-14}\,\text{m}$ radio wave, $10^{-10}\,\text{m}$ microwave, $10^{-6}\,\text{m}$ infrared, $10^{-2}\,\text{m}$ X-ray, $10^{2}\,\text{m}$ gamma-ray
  • C$10^{-14}\,\text{m}$ radio wave, $10^{-10}\,\text{m}$ microwave, $10^{-6}\,\text{m}$ ultraviolet, $10^{-2}\,\text{m}$ infrared, $10^{2}\,\text{m}$ X-ray
  • D$10^{-14}\,\text{m}$ X-ray, $10^{-10}\,\text{m}$ infrared, $10^{-6}\,\text{m}$ ultraviolet, $10^{-2}\,\text{m}$ microwave, $10^{2}\,\text{m}$ radio wave

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