Table of Contents
- 1 What was the result of the experiment by Michelson and Morley?
- 2 What was the purpose of the Michelson and Morley experiment?
- 3 Which of the following was one of the conclusions of the Michelson Morley experiment?
- 4 What basic principle was at the heart of Galileo’s law of inertia?
- 5 What is the difference between inertia and momentum?
- 6 How is Michelson interferometer used to determine the difference in wavelength of the two D lines of sodium?
- 7 What did Georges Sagnac’s experiment prove about the universe?
- 8 How did Michelson and Morley determine the velocity of light?
What was the result of the experiment by Michelson and Morley?
The result was negative, in that Michelson and Morley found no significant difference between the speed of light in the direction of movement through the presumed aether, and the speed at right angles.
What was the purpose of the Michelson and Morley experiment?
Michelson-Morley experiment, an attempt to detect the velocity of Earth with respect to the hypothetical luminiferous ether, a medium in space proposed to carry light waves.
What is the significance of the null result of the Michelson-Morley experiment?
It was hypothesized that the speed of light should change with a change in the Earth’s velocity around the Sun. However, no such change in velocity of light was observed and this became known as the null result.
How does the Michelson Morley experiment contradicted the ether hypothesis?
They found that light moves at the same velocity regardless of the water’s motion, suggesting that the ether is not affected by moving matter. This contradicted the ether drag hypothesis and Michelson’s 1881 results, which provided another reason to redo the experiment.
Which of the following was one of the conclusions of the Michelson Morley experiment?
Which of the following were one of the conclusions of the Michaelson Morley experiment? Explanation: In Michaelson Morley experiment, the aim was to find the time difference from which the relative velocity between ether and the earth could be estimated. However, no shift was observed.
What basic principle was at the heart of Galileo’s law of inertia?
Perhaps Galileo’s greatest contribution to physics was his formulation of the concept of inertia: an object in a state of motion possesses an “inertia” that causes it to remain in that state of motion unless an external force acts on it. Most objects in a state of motion do NOT remain in that state of motion.
Which of the following were one of the conclusions of the Michelson Morley experiment?
What is Michelson interferometer explain its working?
The Michelson interferometer works by splitting a beam of monochromatic light into two equal amplitude beams. One beam hits a fixed mirror and the other hits a movable mirror giving different beam lengths which converge on a detector screen giving an interference pattern.
What is the difference between inertia and momentum?
So, inertia describes an object’s resistance to change in motion (or lack of motion), and momentum describes how much motion it has. Pop quiz answer: Momentum is your force or speed of movement, but inertia is what keeps you going. The car had a change in motion (or momentum), but the giraffe resisted that change.
How is Michelson interferometer used to determine the difference in wavelength of the two D lines of sodium?
In this model of Michelson interferometer, sodium vapor lamp is used as light source. The wavelength separation of the Na D-line doublet is easily determined by observing the successive coincidence and discordance of the two sets of fringe systems produced by the doublet of wavelengths (λ1 and λ2 with λ1 > λ2 ).
What is the Sagnac effect in physics?
Sagnac effect. However, when the interferometer system is spun, one beam of light will slow with respect to the other beam of light. This arrangement is also called a Sagnac interferometer. Georges Sagnac set up this experiment to prove the existence of the aether that Einstein’s theory of special relativity had discarded.
What was the null result of Michelson and Morley experiment?
A first step to explaining the Michelson and Morley experiment’s null result was found in the FitzGerald–Lorentz contraction hypothesis, now simply called length contraction or Lorentz contraction, first proposed by George FitzGerald (1889) and Hendrik Lorentz (1892).
What did Georges Sagnac’s experiment prove about the universe?
Georges Sagnac set up this experiment in an attempt to prove the existence of the aether that Einstein’s theory of special relativity had discarded. A gimbal mounted mechanical gyroscope remains pointing in the same direction after spinning up, and thus can be used as a rotational reference for an inertial navigation system.
How did Michelson and Morley determine the velocity of light?
Michelson and Edward W. Morley of the United States by looking for variations in the velocity of light as it traveled in different directions in the laboratory. Their conclusion was that there was a small variation, considerably less than the Earth’s velocity in its orbit….