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Electromagnetic spectrum

Electromagnetic spectrum

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Question 6
a.

State two uses for ultraviolet radiation.

[2]
b.

Gamma rays are used in hospitals and industries for sterilization. Suggest and explain three precautions for the safe use or handling of radioactive gamma sources.

[3]
c.

(i) State the speed in a vacuum of:

  1. radio waves
  2. gamma rays

(ii) State a possible frequency for an infrasound wave.

[3]
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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