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Electromagnetic spectrum

Electromagnetic spectrum

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Question 98

A scientist uses a thermal imaging camera to detect hot areas on the outer wall of a house.

Which waves are primarily detected by the camera to form the thermal image, and are these waves electromagnetic?

A

Waves: infra-red; Electromagnetic: no

B

Waves: infra-red; Electromagnetic: yes

C

Waves: ultraviolet; Electromagnetic: no

D

Waves: ultraviolet; Electromagnetic: yes

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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