Physics 0625 · IGCSE · Electromagnetic spectrum

Electromagnetic spectrum — practice question

Microwaves, green light and infrared are three forms of electromagnetic radiation. In what sequence should they be arranged by wavelength, starting with the shortest wavelength and ending with the longest?

  • Agreen light $\rightarrow$ infrared $\rightarrow$ microwaves
  • Bgreen light $\rightarrow$ microwaves $\rightarrow$ infrared
  • Cinfrared $\rightarrow$ green light $\rightarrow$ microwaves
  • Dmicrowaves $\rightarrow$ infrared $\rightarrow$ green light

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