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Electromagnetic spectrum

Electromagnetic spectrum

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Question 104

Different parts of the electromagnetic spectrum have different practical applications. Below are four statements about these parts and their uses:

  • Statement 1: Microwaves are used for satellite television communications.
  • Statement 2: Gamma rays are used to detect forged banknotes.
  • Statement 3: Infra-red radiation is used in thermal imaging cameras.
  • Statement 4: Radio waves are used in medical radiotherapy to kill cancer cells.

Which statements are correct?

A

1 and 2

B

1 and 3

C

2 and 4

D

3 and 4

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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