In 1887, albert a. michelson and edward w. morley conducted an experiment to measure the speed at which the earth moves through the ether. their experiment was so refined that it should have finally detected the luminiferous ether. but it didn't. repeated trials verified the surprising result that the ether did not exist. how did the failure of the michelson-morley experiment change scientific theories of light? a. the michelson-morley experiment provided a new theory that fit the data better than the theory of the luminiferous ether did. b. the results of the michelson-morley experiment had to be rejected because the theory of the luminiferous ether was so well established. c. the results of the michelson-morley experiment did not fit the theory of the luminiferous ether, so the theory had to be rejected. d. the michelson-morley experiment proved that the luminiferous ether moved at the exact same speed as the earth during all seasons of the year.

The correct answer is option C. "The results of the Michelson-Morley experiment did not fit the theory of the luminiferous ether, so the theory had to be rejected".

Explanation:

The notorious Michelson-Morley experiment changed the way empty spaces were perceived at their time. Before 1887, the scientific community believed the existence of the luminiferous ether, a substance that supposedly was in empty spaces and allowed electromagnetic waves propagation. The results of the Michelson-Morley experiment did not fit the theory of the luminiferous ether, and the experiment was so refined that the theory had to be rejected.

The results of the Michelson-Morley experiment did not fit the theory of the luminiferous ether, so the theory had to be rejected.

Explanation:

The Michelson-Morley experiment is one of the most famous "failed" experiments of all time. Since the results of the experiment did not fit the theory of the luminiferous ether, the theory had to be rejected. We now know that light does not need any medium in order to move.

chemistry sucks a**

explanation:

explanation:

let the different atoms be x and y. each with four protons and same mass will be represented as follows.

mass number is number of protons + number of neutrons.

            and  

since, it is given that one has a negative charge while the other is neutral. therefore, there will be increase in number of protons and the atom will be represented as follows.

according to periodic table, mass number of beryllium is 9 and it has atomic number 4 so, the atoms will be and .  

the protons and neutrons will be located inside the nucleus whereas the electrons will be revolving around the nucleus.