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The electromagnetic spectrum

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Question 10

This question is about parts of the electromagnetic spectrum.

radio wavesmicrowavesAvisible lightBX-raysgamma rays \begin{array}{|c|c|c|c|c|c|c|} \hline \text{radio waves} & \text{microwaves} & \mathbf{A} & \text{visible light} & \mathbf{B} & \text{X-rays} & \text{gamma rays} \\ \hline \end{array} radio waves​microwaves​A​visible light​B​X-rays​gamma rays​​
a.

The names of two parts of the electromagnetic spectrum are missing from the diagram. Complete the table to identify the names of the missing parts:

  • A:
  • B:
[2]
b.

Electromagnetic waves have various properties and applications.

Which of these quantities decreases as you go from radio waves to gamma rays along the spectrum?

  • A energy
  • B frequency
  • C speed in a vacuum
  • D wavelength
[1]
c.

Which type of electromagnetic wave is used in thermal imaging cameras to detect body heat?

  • A gamma rays
  • B infrared
  • C radio waves
  • D ultraviolet
[1]

The electromagnetic spectrum Questions

  1. IGCSE
  2. /Physics
  3. /The electromagnetic spectrum