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Pearson Edexcel International GCSE (9–1) · PHYSICS · Section

Waves the electromagnetic spectrum

16 practice questions

Start practising (16 questions)

Practice questions

1–10 of 16

  1. Question 1

    1 mark · Easy

    What is the speed of electromagnetic waves in a vacuum?

    Answer and see the solution →

  2. Question 2

    1 mark · Easy

    Which option gives the correct order of electromagnetic waves by increasing frequency?

    1. A.Radio waves, microwaves, visible light, X-rays
    2. B.Microwaves, radio waves, ultraviolet, gamma rays
    3. C.Ultraviolet, visible light, radio waves, X-rays
    4. D.X-rays, ultraviolet, visible light, gamma rays
    Answer and check →

  3. Question 3

    1 mark · Easy

    Which type of electromagnetic wave is used in medical X-ray imaging?

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  4. Question 4

    1 mark · Easy

    Which group of electromagnetic waves is visible to the human eye?

    1. A.Infrared
    2. B.Radio waves
    3. C.Ultraviolet
    4. D.Visible light
    Answer and check →

  5. Question 5

    2 marks · Easy

    Microwaves are part of the electromagnetic spectrum.

    (a)

    State one use of microwaves.

    [1 mark]
    (b)

    State whether microwaves have a higher or lower frequency than infrared waves.

    [1 mark]
    Answer and see the solution →

  6. Question 6

    2 marks · Easy

    The electromagnetic spectrum is a continuous spectrum. Answer the following questions.

    (a)

    State what is meant by a 'continuous spectrum'.

    [1 mark]
    (b)

    Is there a clear boundary between types of electromagnetic waves? Answer yes or no.

    [1 mark]
    Answer and see the solution →

  7. Question 7

    1 mark · Easy

    What happens to the wavelength of electromagnetic waves as the frequency increases?

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  8. Question 8

    1 mark · Easy

    Which statement about all electromagnetic waves is correct?

    1. A.They all travel at different speeds in a vacuum.
    2. B.They are all longitudinal waves.
    3. C.They all transfer energy.
    4. D.They cannot be reflected.
    Answer and check →

  9. Question 9

    1 mark · Normal

    Which of the following electromagnetic waves has the longest wavelength?

    1. A.Infrared
    2. B.X-rays
    3. C.Radio waves
    4. D.Ultraviolet
    Answer and check →

  10. Question 10

    2 marks · Normal

    State two properties that are shared by all waves in the electromagnetic spectrum.

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