Welcome to the Quiz!
This quiz contains 12 questions from a mix of 1 subtopics.
Irradiation is the process by which objects are __________ radiation.
exposed to
protected from
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Which of the following are ionising radiation?
(Select all that apply)
Gamma rays
Microwave radiation
Visible light
Alpha particles
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Irradiation / Contamination
is when radioactive particles get onto your body or other objects.
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X-rays
Beta particles
Infrared radiation
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Which factors determine how harmful the radiation is?
(Select all that apply)
The type of radiation
Where you're exposed to the radiation
The amount of radiation you receive
The amount of antioxidants in your body
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What might happen if DNA is exposed to ionising radiation?
(Select all that apply)
The DNA could be destroyed
The DNA could become radioactive
The cell could divide uncontrollably and become cancerous
The DNA could mutate
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The above diagram shows radiation in order of harm, when the source of radiation is in close contact with your body.
Which radiation is out of place in the diagram?
Infra-red radiation
X-ray radiation
Alpha radiation
Ultraviolet radiation
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Four radioactive substances are on the table across the room from you. Which is the least harmful and why?
Beta radiation because it's not very ionising
Gamma radiation because it's not very ionising
Alpha radiation because it's not very ionising
Alpha radiation because it can't penetrate very far in air
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Which radioactive substance is the most harmful inside the body and why?
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What are the factors that affect the amount of radiation you receive?
(Select all that apply)
How radioactive the substance is
How long you're exposed for
How far away from the source you are
Whether you're in good or poor health
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What safety precautions can be taken when handling radioactive substances?
(Select all that apply)
Freeze the radioactive substance first
Store the radioactive substance in a lead-lined box
Use tongs when picking up the radioactive substance
Wear overalls
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True or false? Once you've become irradiated, you become radioactive and can emit radiation to others.
True
False
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