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Card 6

Front

What can also treat cancerous tumors?

Back

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Card 7

Front

What frequency does sound waves have to be above to be ultrasound?

Back

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Card 8

Front

What can be used to produce utrasound waves?

Back

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Card 9

Front

When is an ultrasound wave reflected?

Back

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Card 10

Front

To scan foetuses or soft tissue such as the eye. what do they use?

Back

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Card 11

Front

What is the measure of how much a substance a ubstance can refract a light ray?

Back

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Card 12

Front

When a light ray crosses from air into glass how is it refracted?

Back

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Card 13

Front

What is an endoscope used for?

Back

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Card 14

Front

When the angle of incidence of a light ray in a tansparent substance produces refraction along the boundary what is it called?

Back

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Card 15

Front

What is total internal reflection?

Back

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