More cards in this set

Card 36

Front

Are waves with higher frequencies or lower frequencies more dangerous and why?

Back

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Card 37

Front

What is morse code?

Back

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Card 38

Front

How do optical fibres carry data?

Back

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Card 39

Front

What happens inside the optical fibre?

Back

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Card 40

Front

What are opital fibres used for?

Back

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Card 41

Front

What are the advantages of using optical fibres?

Back

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