Find the upper bound on the relative speed of the Earth and the ether

daleklama
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Homework Statement



"The Michelson-Morley experiment was conducted using an interferometer with L1 = L2 = 40m, lambda = 632nm, and maximum fringe separation d = 0.0022 fringes.
Find the upper bound on the relative speed of the Earth and the ether, and clearly state the significance of the result in the context of the experiment."

Homework Equations



I'm going through all my Michelson-Morley notes and I found this equation:

d = ((v^2)/(λc^2)) (L1 + L2)

but I don't know if it's relevant!

The Attempt at a Solution



Honestly I have no idea... I can't find anything on 'upper bound' in my notes, I'm totally stumped. If anyone could help me out or point me in the right direction that would be brilliant :) Thank you!
 
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Not to worry, I think I have it worked out :) Thanks for reading!
 

Thread 'Modeling a graph that shows age in relation to depth of an ice sample'

To solve this, I first used the units to work out that a= m* a/m, i.e. t=z/λ. This would allow you to determine the time duration within an interval section by section and then add this to the previous ones to obtain the age of the respective layer. However, this would require a constant thickness per year for each interval. However, since this is most likely not the case, my next consideration was that the age must be the integral of a 1/λ(z) function, which I cannot model.
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