X-rays 4.0 / 5 based on 1 rating ? PhysicsElectromagnetic SpectrumGCSEAQA Created by: CharCreated on: 20-05-13 16:45 What are X-rays part of? The electromagnetic spectrum 1 of 18 What is there frequency? High 2 of 18 What is their wavelength the same size as? Diameter of an atom 3 of 18 What do X-rays affect in the same way as light? Photographic film 4 of 18 What are they absorbed by? Metal and bone 5 of 18 What are they transmitted by? Healthy tissue 6 of 18 What do X-rays form images of? Bone 7 of 18 On? Photographic film 8 of 18 To check for? Fractures and dental problems 9 of 18 What does CCD stand for? Charge-coupled devices 10 of 18 What can these be used to form? Electronic images of X-rays 11 of 18 What do CT scanners use X-rays to produce? Digital images of a cross section through the body 12 of 18 What can soft tissue body organs (such as the intestine) be filled with, to absorb X-rays? Contrast medium 13 of 18 Why are X-rays bad? They cause ionisation 14 of 18 Which can damage? Living tissue when X-rays pass through it 15 of 18 What are some precautions Workers should wear film badges and have lead screens to shield them 16 of 18 Why does the lead screen protect them? Lead absorbs X-rays 17 of 18 What is an advantage of X-rays? They can be used to treat cancerous tumours at/near the body surface 18 of 18
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