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.

Answers: 1

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Which of the following is a true statement?
a. electromagnetic waves consist of only changing...