Difference between revisions of "Ultrasound"
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:[https://www.amazon.co.uk/gp/product/1471851370/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851370&linkCode=as2&tag=nrjc-21&linkId=01c69b0ae058f809cf636033e6ba793e ''Ultrasound, pages 191-2, GCSE Physics, Hodder, AQA ''] | :[https://www.amazon.co.uk/gp/product/1471851370/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851370&linkCode=as2&tag=nrjc-21&linkId=01c69b0ae058f809cf636033e6ba793e ''Ultrasound, pages 191-2, GCSE Physics, Hodder, AQA ''] | ||
:[https://www.amazon.co.uk/gp/product/1782945970/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945970&linkCode=as2&tag=nrjc-21&linkId=a120d24dcc7cc7a58192069a3aafc1d2 ''Ultrasound, pages 282, 283, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA ''] | :[https://www.amazon.co.uk/gp/product/1782945970/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945970&linkCode=as2&tag=nrjc-21&linkId=a120d24dcc7cc7a58192069a3aafc1d2 ''Ultrasound, pages 282, 283, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA ''] | ||
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| + | ====Edexcel==== | ||
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| + | :[https://www.amazon.co.uk/gp/product/1782945733/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945733&linkCode=as2&tag=nrjc-21&linkId=2a2dbec9db6bf5766c0458d908fa0a52 ''Ultrasound, page 36, GCSE Physics; The Revision Guide, CGP, Edexcel ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1782948163/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948163&linkCode=as2&tag=nrjc-21&linkId=0fdbfd5dd397d6e24a9dfb250f08587f ''Ultrasound, pages 106-108, GCSE Physics, CGP, Edexcel ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1292120223/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120223&linkCode=as2&tag=nrjc-21&linkId=068ecf40278c32406a7f1c6e66751417 ''Ultrasound, pages 60-61, GCSE Physics, Pearson Edexcel ''] | ||
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| + | ====OCR==== | ||
| + | :[https://www.amazon.co.uk/gp/product/1782945687/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945687&linkCode=as2&tag=nrjc-21&linkId=9a598e52189317a20311d7a632747bc9 ''Ultrasound, page 65, Gateway GCSE Physics; The Revision Guide, CGP, OCR ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Ultrasound, pages 48, 147, Gateway GCSE Physics, Oxford, OCR ''] | ||
Latest revision as of 18:36, 20 December 2019
Contents
Key Stage 3
Meaning
Ultrasound is sound that has a frequency higher than 20,000Hz.
About Ultrasound
- Ultrasound is too high pitched for a human to hear.
Applications
- Cleaning - Ultrasound can be used to clean dirt from surfaces. The vibrations can create small bubbles in a water which work their way into cracks push the dirt out.
- Physiotherapy - The vibration from ultrasound can be used to massage parts of the body which can stimulate healing and repair.
Key Stage 4
Meaning
Ultrasound is sound that has a frequency higher than 20,000Hz.
About Ultrasound
- Ultrasound is any sound which is too high pitched to hear. Since the lowest frequency a human can hear 20,000Hz, then ultrasound is any sound above that.
Applications
Ultrasound Imaging
- Ultrasound can be reflected, refracted or absorbed at the interface between different media. This can be used, along with a computer, to create images of the internal structure of an object. This is particularly useful for opaque object.
- Ultrasound is generally used to detect cracks in large metal structures.
- Ultrasound is used in hospitals to create images of organs and of the foetus of pregnant females.
References
AQA
- Ultrasound, page 89, 90, GCSE Physics; The Revision Guide, CGP, AQA
- Ultrasound, pages 190, 199, 208-9, GCSE Physics; Student Book, Collins, AQA
- Ultrasound, pages 191-2, GCSE Physics, Hodder, AQA
- Ultrasound, pages 282, 283, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA
Edexcel
- Ultrasound, page 36, GCSE Physics; The Revision Guide, CGP, Edexcel
- Ultrasound, pages 106-108, GCSE Physics, CGP, Edexcel
- Ultrasound, pages 60-61, GCSE Physics, Pearson Edexcel