Lesson 6.6.2.3

6.6.2.3 Properties of electromagnetic waves 2 Quiz: AQA Combined Science, Unit 23

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson 6.6.2.3, Properties of electromagnetic waves 2: 20 multiple choice questions for the AQA GCSE Combined Science (8464), Unit 23: Waves, written with Revision Ninja.

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The 20 questions

  1. How are radio waves produced?

    • Electrical oscillations
    • Nuclear decay
    • Atomic transitions
    • Thermal vibrations

  2. What do absorbed radio waves induce in an electrical circuit?

    • Direct current
    • Alternating current
    • Static charge
    • Magnetic field

  3. Where do gamma rays originate from?

    • Atomic nuclei
    • Thermal radiation
    • Outer electrons
    • Electrical circuits

  4. Which type of electromagnetic waves can be hazardous to human tissue?

    • Microwaves
    • Radio waves
    • Ultraviolet waves
    • Visible light

  5. What is radiation dose a measure of?

    • Risk of harm
    • Source activity
    • Wave frequency
    • Total energy emitted

  6. 1000 millisieverts (mSv) equals:

    • 1 millisievert
    • 1 sievert (Sv)
    • 100 sieverts
    • 10 sieverts

  7. A dose of 3000 mSv is equal to:

    • 30 Sv
    • 0.3 Sv
    • 300 Sv
    • 3 Sv

  8. A dose of 0.5 Sv is equal to:

    • 500 mSv
    • 50 mSv
    • 5000 mSv
    • 5 mSv

  9. What skin condition can be caused by exposure to ultraviolet waves?

    • Skin cancer
    • Retinal damage
    • Bone weakening
    • Muscle strain

  10. How are X-rays and gamma rays classified due to their effect on atoms?

    • Ionising radiation
    • Harmonics
    • Background radiation
    • Thermal radiation

  11. What primary damage can X-rays and gamma rays cause to human body tissue?

    • Muscle growth
    • Gene mutations and cancer
    • Enhanced vision
    • Bone strengthening

  12. Which wave property mainly determines whether electromagnetic radiation is ionising?

    • Amplitude
    • Wavelength
    • Frequency
    • Speed

  13. Two people receive doses of 2 mSv and 20 mSv. The second dose is how many times the first?

    • 100 times
    • 10 times
    • 18 times
    • 2 times

  14. What do higher doses of ultraviolet radiation increase the risk of developing?

    • Bone fractures
    • Muscle cramps
    • Skin cancer
    • Lung failure

  15. What nuclear change results in the emission of a gamma ray?

    • Proton charge reversal
    • Energy state change
    • Neutron mass loss
    • Electron shell transfer

  16. (HT only) A radio wave of frequency 1 MHz induces an alternating current. The frequency of the induced current is:

    • 0 Hz
    • 500 kHz
    • 2 MHz
    • 1 MHz

  17. Visible light emission is produced by changes in what part of an atom?

    • Proton numbers
    • Electron arrangements
    • Nuclear neutrons
    • Atomic mass

  18. Why is exposure to X-rays particularly dangerous to human cells?

    • They freeze tissue
    • They remove water
    • They magnetise iron
    • They damage genes

  19. A survey records a dose of 10 mSv. In sieverts this is:

    • 0.01 Sv
    • 10 Sv
    • 0.1 Sv
    • 1 Sv

  20. Which action reduces the health risk from gamma ray exposure?

    • Increasing room lighting
    • Wearing cotton gloves
    • Drinking cold water
    • Limiting exposure time

All AQA Combined Science quizzes