Biology, 29.04.2021 16:30, apowers1760

Which are true of electromagnetic waves? Select all that apply. They have different wavelengths.
They have the same frequency.
They all travel at the same speed.
When they travel outside of a vacuum, their speeds increase.

Answers: 3

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Which are true of electromagnetic waves? Select all that apply. They have different wavelengths. They have the same frequency. They all travel at the same speed. When they travel outside of a vacuum, their speeds increase.

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Other questions on the subject: Biology

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Which are true of electromagnetic waves? Select all that apply. They have different wavelengths.
They have the same frequency.
They all travel at the same speed.
When they travel outside of a vacuum, their speeds increase.