Tagged Questions
0
votes
1answer
44 views
Velocity of measurement
As per to Heisenberg uncertainty we will not be able to calculate the position and momentum at same instant because by the time we calculate the next of the one, it changes (i.e.) the changes are very ...
0
votes
1answer
125 views
How was Dorsey able to measure speed of light with 3 significant digits?
How was Dorsey able to measure speed of light with 3 significant digits in the year of 1907?
16
votes
1answer
1k views
How did they measure the speed of light observing Jupiter's moons, centuries ago?
I am interested in the pratical method and I like to discover
if it is cheap enough to be done as an experiment in a high school.
Thank you.
2
votes
2answers
648 views
Can you use a laser to measure the speed of light with a rotating mirror?
I have learned that the classical measurement of the speed of light with a rotating mirror does not work with a laser (as opposed to, say, a mercury-vapor lamp).
Can you tell me if and how coherency ...
4
votes
4answers
651 views
Measuring the speed of light and defining the metre - absolute or relative?
If the metre is now defined as the distance light travels in vacuum in 1⁄299,792,458th of a second and the speed of light is accepted to be ...
28
votes
13answers
7k views
Home experiments to derive the speed of light?
Are there any experiments I can do to derive the speed of light with only common household tools?
