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Electromagnetic spectrum

Electromagnetic spectrum

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Question 133

Which statement is correct?

A

Thermal imaging cameras detect infrared radiation.

B

Airport baggage scanners use ultrasound.

C

Sunbeds use infrared radiation to tan skin.

D

Hospital sterilisation of medical equipment uses 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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