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Electromagnetic spectrum

Electromagnetic spectrum

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Question 92

The list below contains names of various types of waves, but they are in the wrong order and an extra, non-electromagnetic type of wave has been included.

  • microwaves
  • radio waves
  • visible light
  • sound waves
  • infra-red radiation
  • ultra-violet radiation
  • X-rays
a.

Which one of these is not electromagnetic?

[1]
b.

In the boxes below, list the regions of the electromagnetic spectrum in order of decreasing wavelength (from longest wavelength at the top to shortest wavelength at the bottom). The first and last boxes have been filled in for you.

radio wavesX-rays \begin{array}{|c|}\hline \text{radio waves} \\ \hline \hspace{4cm} \\ \hline \\ \hline \\ \hline \\ \hline \text{X-rays} \\ \hline \end{array} radio wavesX-rays​​
[2]
c.

Which of these electromagnetic waves has the highest frequency?

[1]
d.

Which of these is commonly used in microwave ovens to cook food and also for satellite communications?

[1]
e.

Which of these is used by banks to detect forged banknotes?

[1]
Markscheme

Electromagnetic spectrum Questions

  1. IGCSE
  2. /Physics
  3. /Electromagnetic spectrum

198 exam-style questions on CIE IGCSE Physics Electromagnetic spectrum, covering Electromagnetic spectrum. Each one has a worked solution and a mark scheme showing where the marks go.

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