Welcome to the Quiz!

This quiz contains 12 questions from a mix of 1 subtopics.

Irradiation is the process by which objects are __________ radiation.

protected from

exposed to

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Which of the following are ionising radiation?

(Select all that apply)

Alpha particles

Gamma rays

Visible light

Microwave radiation

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Illustration of an elderly person moving away from a radioactive source with glowing particles.

Irradiation / Contamination


is when radioactive particles get onto your body or other objects.

Contamination

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Which of the following are not ionising radiation?

X-rays

Infrared radiation

Beta particles

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Which factors determine how harmful the radiation is?

(Select all that apply)

The amount of radiation you receive

The type of radiation

Where you're exposed to the radiation

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 mutate

The cell could divide uncontrollably and become cancerous

The DNA could be destroyed

The DNA could become radioactive

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Diagram showing radiation types in order of harm from least harmful to most harmful, including radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, gamma rays, beta particles, and alpha particles.

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?

Ultraviolet radiation

X-ray radiation

Infra-red radiation

Alpha 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

Alpha radiation because it's not very ionising

Gamma 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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Illustration showing three flasks with varying amounts of yellow particles representing different levels of radiation exposure.

What are the factors that affect the amount of radiation you receive?

(Select all that apply)

Whether you're in good or poor health

How long you're exposed for

How radioactive the substance is

How far away from the source you are

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What safety precautions can be taken when handling radioactive substances?

(Select all that apply)

Store the radioactive substance in a lead-lined box

Wear overalls

Use tongs when picking up the radioactive substance

Freeze the radioactive substance first

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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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