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Electromagnetic spectrum

Electromagnetic spectrum

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Question 47

Which statement about electromagnetic waves is correct?

A

Gamma rays are used in television remote controls.

B

Optical fibres transmit signals using infrared radiation or visible light.

C

Microwaves have a shorter wavelength than X-rays.

D

Ultraviolet radiation is used in satellite communications.

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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