P2 - Radiation and life

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  • Created by: Megs555
  • Created on: 26-04-16 11:22
What part of the EM spectrum has the highest frequency?
Gamma radiation
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What part of the EM spectrum has the lowest frequency?
Radiowaves
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What are microwaves used for?
Cooking
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Which radiation is used to take medical images of bones?
X-rays
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What speed does EM radiation travel through a vacuum?
300,000 m/s
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What are the "packets" of energy in a beam of EM radiation called?
Photons
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Which part of the EM spectrum has the highest energy photons?
Gamma rays
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What are ions?
Charged atoms
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Which parts of the EM spectrum are ionising radiation?
UV, X-rays and gamma rays
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If a detector is moved away from a source, what happens to the intensity detected?
It decreases
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Why does ionising radiation cause chemical reactions when absorbed?
Because the radiation heats up the absorber
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Other cards in this set

Card 2

Front

What part of the EM spectrum has the lowest frequency?

Back

Radiowaves

Card 3

Front

What are microwaves used for?

Back

Preview of the front of card 3

Card 4

Front

Which radiation is used to take medical images of bones?

Back

Preview of the front of card 4

Card 5

Front

What speed does EM radiation travel through a vacuum?

Back

Preview of the front of card 5
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