Light is an oscillating magnetic field alone. an oscillating electric field alone. electric and magnetic fields that oscillate parallel to each other. electric and magnetic fields that oscillate perpendicularly to each other. electric and magnetic fields that oscillate in a random direction relative to each other. Which of the statements concerning light are true? The speed of light is the same no matter what material it is traveling through. Its propagation direction is perpendicular to both the electric field and the magnetic field. Its propagation direction is parallel to both the electric field and the magnetic field. The speed of light in matter is less than the speed of light in a vacuum. It moves at a constant speed through a vacuum. The speed of light in matter is greater than the speed of light in a vacuum.
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