Physics Speed of Light Help Needed ASAP (1 Viewer)

[Modern4DaBois]

Sup everyone,
I have a depth study on methods to measure the speed of light and I needed some help with the Evenson's experiment (about the method he followed). If any of ya'll have any info bout that, or any other experiment to measure the speed of light (after 1900), could you please please please let me know?

Thanks

 

[OreoMcFlurry]

I'm going to be honest here, I've never heard of Evenson's experiment - so unfortunately I can't really help with that.

This is a somewhat short summary of other methods of measuring the speed of light, but with that said, it's highly recommended that you do your own research on this:

Galileo	By using direct measurement, it was a failed attempt in determining whether the speed of light is finite.	N/A
1676 – Ole Romer	Eclipse of Jupiter’s moon Io – Romer observed that the recorded time taken for Io to re-emerge from the eclipse was different for different positions of the earth relative to Jupiter. As earth approached the far side of the orbit, the time taken increased – hence implying that light’s velocity was finite.	As no eclipse measurements were possible at positions ‘H’ and ‘E’ on Romer’s diagram, Romer calculated that the maximum possible time difference would be 22 minutes. Christian Huygens used this, to calculate the speed of light to be (2.2x108)m/s
1728 – James Bradley	Stellar Aberration – Bradley noticed that as earth orbited the sun, there was a shift in a star’s position in the sky.	Bradley calculated the value to be: (3.01x108)m/s
1849 – Hippolyte Fizeau	Rotating Cogwheel – Fizeau had a toothed cog with 720 teeth, and had adjusted the speed of the spinning cog in order for the light to pass through a pair of teeth, get reflected by a mirror (8km) and pass through the adjacent gap. This was the first experimental measurement of light.	Fizeau’s calculations resulted in the value to be: (3.13x108)m/s
1862 – Leon Foucault	Rotating Mirror – Foucault replaced the rotating cog in Fizeau’s experiment with a rotating mirror, and light gets reflected by a mirror (20m) and then gets reflected by the rotating mirror. The small angle between the newly reflected light and the original light source is then recorded. The angles of reflection would differ with the frequencies of the rotating mirror.	He used the fact that angles of reflection differed according to the rate of rotation to calculate the speed of light as: (3.09x108)m/s
Modern day – 1958 – Keith Davy Froome	Radio interferometry – Froome used Michelson and Morley’s setup in attempting to confirm the existence of the ether. Yet, Froome used a coherent and monochromatic radio source and using the interference patterns detected on the detector, found the speed of light.	Due to the interference of radio wave he calculated the speed of light to be: (2.99792x108)m/s

 

[Modern4DaBois]

Bro thank you so much