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Electromagnetic spectrum

Electromagnetic spectrum

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Question 150

What is the speed of electromagnetic waves in a vacuum?

A

3.0×106 m/s3.0 \times 10^6 \text{ m/s}3.0×106 m/s

B

3.0×108 m/s3.0 \times 10^8 \text{ m/s}3.0×108 m/s

C

3.0×108 km/s3.0 \times 10^8 \text{ km/s}3.0×108 km/s

D

3.0×1011 m/s3.0 \times 10^{11} \text{ m/s}3.0×1011 m/s

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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