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1 August, 01:08

Which of the following statements are true concerning electromagnetic waves in a vacuum? Check all that apply

Electromagnetic waves travel in a vacuum with a definite and unchanging speed.

Electromagnetic waves can travel in a vacuum only because a medium prohibits the forward propagation of the electric and magnetic fields.

When electromagnetic waves travel in vacuum, there is a definite, constant ratio between the magnitudes of the electric and magnetic fields.

Electromagnetic waves traveling in a vacuum are longitudinal waves

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  1. 1 August, 01:14
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    Electromagnetic waves travel in a vacuum with a definite and unchanging speed.

    When electromagnetic waves travel in vacuum, there is a definite, constant ratio between the magnitudes of the electric and magnetic fields.

    Explanation:

    Electromagnetic waves are waves that come about due to the vibrations generated between an electric field and a magnetic field. There is presence of oscillating magnetic and electric fields and the two statements mentioned above best describes it's properties.
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