Flashcards
Physics P3
Flashcards do conjunto (24)
- 1Are X-rays longitudinal or transverse waves?X-rays are longitudinal waves.
- 2What is the order of the Electromagnetic Spectrum?Gamma, X-ray, Ultraviolet, Visible Light, Infrared Radiation, Microwaves, Radio.
- 3Which wave has the longest wavelength from the electromagnetic spectrum?A Radio wave has the shortest wavelength.
- 4Which wave from the electromagnetic spectrum has the shortest wavelength?A Gamma wave has the shortest wavelength.
- 5Which wave from the electromagnetic spectrum has the highest frequency?A Gamma wave has the highest frequency.
- 6Which wave from the electromagnetic spectrum has the lowest frequency?A Radio wave has the lowest frequency.
- 7What is the wavelength of an X-ray about the same size as?The wavelength of an X-ray is about the same size as the diameter of an atom.
- 8Can X-rays cause ionisation?X-rays can cause ionisation.
- 9What does ionisation mean?The addition or removal of electrons in atoms and molecules.
- 10What can low doses of ionising radiation cause?Low doses of ionisation can cause cancer.
- 11What can high doses of ionising radiation cause?High doses of ionisation can cause radiation burns.
- 12What are common uses of radiographs?..................
- 13What are X-rays absorbed by?X-rays are absorbed by metal and bones.
- 14What are X-rays transmitted by?X-rays are transmitted by healthy tissue.
- 15How is a radiograph produced from a plain white piece of photographic film?...................
- 16Why does a radiographer go behind a screen before the X-ray machine is turned on?...........................
- 17Why are lead lined shields sometimes placed over some patients such as children and pregnant women?.......................
- 18What is a CT scanner????
- 19How does a CT scanner work????
- 20What is a CT scanner used for????
- 21What does a charged coupled device (CDD) do????
- 22What are the advantages of a CT scann compared to an X-ray????
- 23What are the disadvantages of a CT scan compared to an X-ray????
- 24—
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- GCSE Science (Physics) FlashCards sobre Physics P3, criado por Abigail-Jade Norman em 21-11-2016.
- Criado por
- Abigail-Jade Norman
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