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Card 6
Front
What precautions can radiographers take to minimise their radiation dose?
Back
Card 7
Front
What is ultrasound?
Back
Card 8
Front
What is ultrasound used instead of X-rays to take a picture of a fetus?
Back
Card 9
Front
What are the advantages of using CT scans over ultrasound scans?
Back
Card 10
Front
What is refraction?
Back
Card 11
Front
What is the formula for refractive index?
Back
Card 12
Front
What is meant by the principal focus of a lens?
Back
Card 13
Front
What type of lenses are used to create magnifying glasses?
Back
Card 14
Front
What is a converging lens?
Back
Card 15
Front
What is a diverging lens?
Back
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