AQA Physics Unit 3 0.0 / 5 ? PhysicsMedical PhysicsGCSEAQA Created by: laurenmasihCreated on: 22-04-17 13:10 Do x-rays have high or low frequencies? high 1 of 13 Do x-rays have a long or short wavelength? short 2 of 13 What do x-rays form images of? Bone 3 of 13 X-rays are absorbed by what? Metal and bone 4 of 13 Excluding bone, what else in the body may be (with human interference) seen using x-rays? Some body organs (such as the small intestine) 5 of 13 The human ear can detect sound waves with frequencies between which two values? 20Hz and 20000Hz 6 of 13 What are sound waves with a higher frequency than 20000Hz called? Ultrasound 7 of 13 What reflects ultrasound waves? Boundaries between two different types of body tissue 8 of 13 Are ultrasound waves ionising? No 9 of 13 Are x-rays ionising? Yes 10 of 13 What can workers wear to make them safer when working with x-rays? Film badges and lead aprons 11 of 13 Can x-rays also be used to detect cancerous tumors? No, but they can help treat cancer. 12 of 13 What can ultrasound waves do to kidney stones? Shatter them 13 of 13
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