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Card 6

Front

S = V X T. What is this equation used to find out?

Back

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Card 7

Front

Name 2 ways ultrasound waves can be used.

Back

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Card 8

Front

What causes refraction?

Back

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Card 9

Front

What will happen if a wave hits a boundary at 90 degrees?

Back

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Card 10

Front

State what the refractive index is.

Back

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Card 11

Front

How to lenses form images?

Back

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Card 12

Front

What is a real image?

Back

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Card 13

Front

What is a virtual image

Back

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Card 14

Front

What type of lenses do magnifying glasses use?

Back

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Card 15

Front

Complete the sentence... The more powerful the lens the more..

Back

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