Physics

Physics, 25.07.2019 16:20, amichellecam2

Which of the following is a true statement? question 3 options: electromagnetic waves can vary in speed, wavelength and frequency. electromagnetic waves are longitudinal waves. electromagnetic waves consist of only changing electric fields. electromagnetic waves do not always need a medium to travel.

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Physics, 19.07.2019 15:20, crhockey08crhockey08

Which of the following is a true statement? a. electromagnetic waves are longitudinal waves. b. electromagnetic waves do not always need a medium to travel. c. electromagnetic waves consist of only changing electric fields. d. electromagnetic waves can vary in speed, wavelength and frequency.

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Physics, 30.08.2019 16:00, alexisbcatlett14

Which of the following is a true statement? a. electromagnetic waves consist of only changing electric fields. b. electromagnetic waves are longitudinal waves. c. electromagnetic waves do not always need a medium to travel. d. electromagnetic waves can vary in speed, wavelength and frequency.

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Physics, 03.11.2019 15:31, alyssadgonzalez

Which of the following is a true statement? a. electromagnetic waves consist of only changing electric fields b. electromagnetic waves can darien speed, wavelength and frequency c. electromagnetic waves do not always need a medium to travel d. electromagnetic waves are longitudinal waves

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