Lesson 4.6.2.1

4.6.2.1 Types of electromagnetic waves Quiz: AQA Physics, Unit 6

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson 4.6.2.1, Types of electromagnetic waves: 20 multiple choice questions for the AQA GCSE Physics (8463), Unit 6: Waves, written with Revision Ninja.

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The 20 questions

  1. Which electromagnetic wave has the longest wavelength?

    • Radio wave
    • Infrared
    • Micro-wave
    • Gamma ray

  2. Which group of electromagnetic waves has the longest wavelengths?

    • Ultraviolet
    • Radio waves
    • Gamma rays
    • X-rays

  3. Electromagnetic waves are which type of wave?

    • Compression
    • Longitudinal
    • Transverse
    • Standing

  4. What is the speed of all electromagnetic waves in a vacuum?

    • The same speed
    • Zero speed
    • Speed of sound
    • Varying by frequency

  5. What do electromagnetic waves transfer from a source?

    • Charge
    • Energy
    • Momentum
    • Matter

  6. Which part of the electromagnetic spectrum can human eyes detect?

    • Infrared
    • X-rays
    • Ultraviolet
    • Visible light

  7. Going from low to high frequency, which group comes immediately after microwaves?

    • Radio
    • Infrared
    • Visible light
    • Gamma rays

  8. Which electromagnetic wave has a shorter wavelength than visible light?

    • Microwaves
    • Radio waves
    • Ultraviolet
    • Infrared

  9. An electromagnetic wave in a vacuum has frequency 1.5 x 10^9 Hz. What is its wavelength? (speed = 3 x 10^8 m/s)

    • 0.02 m
    • 0.5 m
    • 2 m
    • 0.2 m

  10. Which group lies between visible light and X-rays?

    • Ultraviolet
    • Radio
    • Microwave
    • Infrared

  11. The groups of the electromagnetic spectrum are classified by wavelength and what else?

    • Amplitude
    • Mass
    • Frequency
    • Velocity

  12. What type of wave is visible light within the electromagnetic spectrum?

    • A narrow band
    • The entire spectrum
    • A single wavelength
    • A transverse pulse

  13. A wave has frequency 6 x 10^14 Hz in a vacuum. What is its wavelength? (speed = 3 x 10^8 m/s)

    • 5 x 10^-9 m
    • 5 x 10^-7 m
    • 2 x 10^-6 m
    • 1.8 x 10^23 m

  14. Which process shows energy transfer by electromagnetic waves?

    • Wind turning turbines
    • Conduction through metal
    • Sunlight warming surfaces
    • Sound travelling underwater

  15. What feature characterises the electromagnetic spectrum?

    • Continuous range
    • Discrete packets
    • Fixed frequencies
    • Constant amplitude

  16. Gamma rays have a frequency of 1 x 10^20 Hz and visible light has a frequency of 5 x 10^14 Hz. What is the ratio of gamma frequency to visible frequency?

    • 2 x 10^-3
    • 5 x 10^6
    • 2 x 10^5
    • 5 x 10^5

  17. Which of these electromagnetic waves has the longest wavelength?

    • Ultraviolet
    • Microwaves
    • Gamma rays
    • X-rays

  18. Which wave type lies directly between infrared and ultraviolet?

    • Visible light
    • X-rays
    • Radio waves
    • Microwaves

  19. What proportion of electromagnetic waves can be detected by human eyes?

    • A very small part
    • Only gamma rays
    • Every single wave
    • Around exactly half

  20. Which group of electromagnetic waves carries the highest frequencies in the spectrum?

    • Microwaves
    • Visible light
    • Radio waves
    • Gamma rays

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