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Electromagnetic spectrum

Electromagnetic spectrum

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Question 109

In alphabetical order, some major regions of the electromagnetic spectrum are:

  • gamma-rays
  • infra-red
  • microwaves
  • ultraviolet
  • visible
  • X-rays
a.

List these regions in order of increasing frequency. The first one has been filled in for you.

  • lowest frequency: microwaves
  • ……………………………………\text{\dots\dots\dots\dots\dots\dots\dots\dots\dots\dots\dots\dots\dots\dots}……………………………………
  • ……………………………………\text{\dots\dots\dots\dots\dots\dots\dots\dots\dots\dots\dots\dots\dots\dots}……………………………………
  • ……………………………………\text{\dots\dots\dots\dots\dots\dots\dots\dots\dots\dots\dots\dots\dots\dots}……………………………………
  • ……………………………………\text{\dots\dots\dots\dots\dots\dots\dots\dots\dots\dots\dots\dots\dots\dots}……………………………………
  • highest frequency: ……………………………………\text{\dots\dots\dots\dots\dots\dots\dots\dots\dots\dots\dots\dots\dots\dots}……………………………………
[2]
b.

Where in this list of increasing frequency would you insert radio waves?

[1]
c.

Explain why prolonged human exposure to ultraviolet radiation is hazardous.

[2]
d.

Suggest one practical application of ultraviolet radiation (other than tanning beds).

[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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