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5.4 Uses and dangers of EM radiation

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Question 11

A wildlife monitoring centre has proposed these assignments: finding animals at night by thermal imaging uses radio waves, taking colour photographs of birds in daylight uses infrared, and broadcasting a nature programme over long distances uses visible light.

Which set of changes would correct all three assignments?

[1]
A

Change radio waves to infrared, infrared to visible light and visible light to radio waves.

B

Change radio waves to visible light, infrared to visible light and visible light to radio waves.

C

Change radio waves to infrared, infrared to radio waves and visible light to radio waves.

D

Change radio waves to visible light, infrared to radio waves and visible light to infrared.

Markscheme

5.4 Uses and dangers of EM radiation Questions

  1. GCSE
  2. /Physics
  3. /5.4 Uses and dangers of EM radiation

104 exam-style questions on Edexcel GCSE Physics 5.4 Uses and dangers of EM radiation, covering 5.4.1 Dangers of electromagnetic radiation, 5.4.2 Uses of electromagnetic radiation, 5.4.3 Radio waves and oscillations in circuits, and 5.4.4 Changes in atoms and nuclei generating radiation. Each one has a worked solution and a mark scheme showing where the marks go.

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