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Card 16

Front

What is the equation for payback time?

Back

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Card 17

Front

How is cavity wall and insulation useful?

Back

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Card 18

Front

What is the equation for efficiency?

Back

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Card 19

Front

What is the equation for wave speed?

Back

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Card 20

Front

What is 1 MHZ (megahertz) in Hertz?

Back

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Card 21

Front

What is the law of reflection?

Back

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Card 22

Front

How do you achieve total internal reflection?

Back

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Card 23

Front

How does the size of a gap effect how much a wave is diffracted?

Back

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Card 24

Front

How does an obstacle affect how much a wave is diffracted?

Back

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Card 25

Front

How do you refraction occur?

Back

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