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Card 6

Front

Which electromagnetic wave has the shortest wavelength?

Back

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Card 7

Front

Which electromagnetic wave has the lowest frequency?

Back

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Card 8

Front

At what speed do electromagnetic waves travel in a vacuum?

Back

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Card 9

Front

And in air?

Back

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Card 10

Front

What are radio waves used for?

Back

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Card 11

Front

What are microwaves used for?

Back

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Card 12

Front

What is infrared radiation used for?

Back

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Card 13

Front

What are x-rays used for?

Back

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Card 14

Front

Which steps are taken to be safe from harm by microwaves?

Back

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Card 15

Front

Which steps are taken to be safe from harm by x-rays?

Back

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