posted by Alfred on .
A very important experiment was carried out at the end of the 1800’s involving testing for the speed of the earth through the ether.
(a) State the name of this experiment
(b) Describe why the light beams are perpendicular to each other at one stage of the experiment.
(c) What should have been observed if a positive result occurred for this experiment?
Please see later posts re: cut and paste.