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2/1 - EMS Practice

Last updated over 3 years ago
23 questions
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Do electromagnetic waves need a medium to travel through?

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What is the speed of light in a vacuum?

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__________ has a greater/higher frequency.
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__________ has a greater/higher frequency.
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__________ has a greater/higher frequency.
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__________ has a greater/longer wavelengh.
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__________ has a greater/longer wavelengh.
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__________ has a greater/longer wavelengh.