4.3.1 - Background Radiation

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8 Terms

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What is background radiation ?

It is the radiation that exists around us all the time

2
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What are the 2 types of background radiation ?

  1. Natural resources

  2. Man-made resources

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What are the different natural sources of radiation ?

  • Rocks

  • Cosmic rays from space

  • Foods

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What is a dose ?

It is the amount of radiation received by a person

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What is the dose measured in ?

Sieverts (Sv)

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What is a dosemeter ?

It measures the amount of radiation in particular areas

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How can the level of background radiation and radiation dose be affected ?

It can be affected by a person’s occupation or location

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Why do some areas around the world have higher background radiation ?

Because they are closer to sources of radiation