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Electromagnetic spectrum

Electromagnetic spectrum

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Question 151

A student writes four statements matching a communication system to the region of the electromagnetic spectrum that it uses to transmit signals.

Which statement is correct?

A

Bluetooth connections use ultraviolet wavelengths.

B

Satellite navigation (GPS) uses X-rays.

C

Optical fibre communication uses infrared wavelengths.

D

Local Wi-Fi networks use visible light.

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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