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Card 6
Front
What are ultrasound waves?
Back
Card 7
Front
How can electric systems be used to produce ultrasound waves?
Back
Card 8
Front
What can ultrasound be used for?
Back
Card 9
Front
What is refraction?
Back
Card 10
Front
What is the refractive index of a substance?
Back
Card 11
Front
What happens when a light ray crosses from glass to air?
Back
Card 12
Front
What is the critical angle?
Back
Card 13
Front
What is total internal reflection?
Back
Card 14
Front
What is an endoscope?
Back
Card 15
Front
How can laser light be used?
Back
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