Physics 0625 · IGCSE · Electromagnetic spectrum

Electromagnetic spectrum — practice question

The Sun gives off infrared radiation and light. Sunlight reaches the Earth in 8 minutes. Which row shows the correct information about the infrared radiation?

  • Alonger than wavelength of light; 8 minutes
  • Blonger than wavelength of light; much less than 8 minutes
  • Cshorter than wavelength of light; 8 minutes
  • Dshorter than wavelength of light; much more than 8 minutes

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