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

The Electromagnetic Spectrum

70 practice questions

Start practising (37 questions)

Topics covered

Practice questions

1–10 of 37 · Normal

  1. Question 1

    1 mark · Normal

    State one use of gamma rays in medicine.

    Answer and see the solution →

  2. Question 2

    2 marks · Normal

    Explain why gamma rays can both treat and cause cancer.

    Answer and see the solution →

  3. Question 3

    3 marks · Normal

    Gamma rays can be harmful to medical staff working with them.

    (a)

    State one precaution that medical staff should take when working with gamma rays.

    [1 mark]
    (b)

    Explain why this precaution reduces the risk of harm.

    [2 marks]
    Answer and see the solution →

  4. Question 4

    2 marks · Normal

    Copy and complete the table for gamma rays.

    Possible harm and precautions for gamma rays
    Type of radiationPossible harmPrecautions
    Gamma rays
    Answer and see the solution →

  5. Question 5

    1 mark · Normal

    Which of the following is NOT a use of gamma rays?

    1. A.Treating cancer
    2. B.Sterilising food
    3. C.Taking photographs
    4. D.Sterilising surgical instruments
    Answer and check →

  6. Question 6

    3 marks · Normal

    Gamma rays are used to sterilise medical equipment.

    (a)

    Explain why gamma rays are suitable for sterilising materials inside sealed packages.

    [2 marks]
    (b)

    State one advantage of using gamma rays rather than boiling water for sterilising.

    [1 mark]
    Answer and see the solution →

  7. Question 7

    2 marks · Normal

    Explain why food stays fresher for longer after it has been exposed to gamma radiation.

    Answer and see the solution →

  8. Question 8

    3 marks · Normal

    Gamma rays are highly penetrating electromagnetic waves.

    (a)

    Describe what happens if a person is exposed to a large dose of gamma rays.

    [2 marks]
    (b)

    State one way to protect people from exposure to gamma rays in hospitals.

    [1 mark]
    Answer and see the solution →

  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.

    Answer and see the solution →