More cards in this set

Card 6

Front

What are S waves?

Back

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Card 7

Front

How are different Earthquake waves shown?

Back

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Card 8

Front

What happens to radio waves in the atmosphere?

Back

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Card 9

Front

What is interference?

Back

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Card 10

Front

What is the difference between analogue and digital signal?

Back

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Card 11

Front

What are optical fibres?

Back

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Card 12

Front

Name 2 uses of infra-red signals?

Back

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