P3, X-rays and Ultrasound

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  • Created by: emmajane_
  • Created on: 17-05-14 14:53
What are x-rays part of and what is their wave length like?
Part of the electromagnetic spectrum and have short wave lengths. Their wavelength is of the same order of magnitude
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What do x rays cause?
Ionisation
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What can x rays be used for?
Name 3 examples of what they can be used for? To diagnose and treat some medical conditions. Used for CT scans, bone factures and killing cancerous cells
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What are x rays transmitted by and what are they absorbed by?
Absorbed by metal and bone and transmitted by soft tissue
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How do x rays affect photographic film?
In the same way as light
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What are used to produce ultrasounds and what are the wave frequencies like?
Produced by electronic systems and frequency is higher than upper limit of humans hearing
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What is the range of human hearing?
20-20,000 hertz
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What can ultrasounds be used for?
Medicine uses- pre natal scanning and removal of kidney stones
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What happens when an ultra sound wave meets a boundary between two media's? What does the time taken for the waves to reflect indicate?
Waves are partially reflected. It indicates how far away the boundary is
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Other cards in this set

Card 2

Front

What do x rays cause?

Back

Ionisation

Card 3

Front

What can x rays be used for?

Back

Preview of the front of card 3

Card 4

Front

What are x rays transmitted by and what are they absorbed by?

Back

Preview of the front of card 4

Card 5

Front

How do x rays affect photographic film?

Back

Preview of the front of card 5
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