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Electromagnetic spectrum

Electromagnetic spectrum

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Question 169

Which type of electromagnetic wave is used in thermal imaging cameras to detect people in the dark?

A

gamma rays

B

infra-red

C

ultraviolet

D

radio waves

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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