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Card 26

Front

What is the frequency?

Back

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Card 27

Front

Angle of incidence=...

Back

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Card 28

Front

If the angle of incidence is less than the critical angle...

Back

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Card 29

Front

If the angle of incidence is equal to the critical angle...

Back

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Card 30

Front

If the angle of incidence is greater than the critical angle...

Back

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Card 31

Front

What happens when waves pass though a gap?

Back

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Card 32

Front

What does the amount of diffraction depend on?

Back

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Card 33

Front

What is refraction?

Back

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Card 34

Front

Whn does refraction happen?

Back

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Card 35

Front

What happens if the wave hits the boundary face on?

Back

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