Nineteenth- century scientists thought the "ether" to be
A) the medium for the propagation of sound waves.
B) the cause of the gravitational force.
C) the medium for the propagation of light waves.
D) All of the above.
E) None of the above.

Question

Quizplus · Accepted Answer

Nineteenth-century scientists believed the "ether" was a medium through which light waves propagated, as they thought light, like sound, needed a medium to travel through.

Nineteenth- Century Scientists Thought the "Ether" to Be