The Michelson-Morley experiment was designed to measure
A)the relativistic mass of the electron.
B)the relativistic momentum of the electron.
C)the relativistic energy of the electron.
D)the velocity of the Earth relative to the ether.
E)the acceleration of gravity on the Earth's surface.

Question

Quizplus · Accepted Answer

The Michelson-Morley experiment was designed to detect the presence of the "ether," a medium through which light was thought to propagate, by measuring the Earth's velocity relative to it. The experiment's null result provided evidence against the existence of the ether.

The Michelson-Morley Experiment Was Designed to Measure