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**Michelson & morley experiment...........**

hi there............

We say that the speed of light is constant when seen from any frame of refrence because the ratio of length and time measured from moving and rest frame is same.

Also by Lorentz transformation L= L1 $ (L1 and T1 are in the moving frame and $ represents gamma)

And T1 =T $

So L/T =(L/$)/T$ =L/T ($ 2 )

1 =(1- v2 /c2 )

So v = c…..

This proves that at the speed of light a body, be it any, not necessary a photon, appears constant from any of the frames.

In the Michelson and Morley experiment , if instead of light, electron would have been used what would the results have been ? will the desired shift be observed or not…… would that suggest something about the non existent ether…….??

Let us assume the speed of electron is taken to be on very close to that of light (hence introducing relativistic effect) and the same experiment if repeated with speed of 300 km/s or more…… what would be the result in the two cases?

According to Lorentz transformation I think the result would have been a positive ….. give expected fringe shift because only the velocity of light is constant from any frames. So would that not serve as a positive sign for ether hypothesis……??

Moreover I wish to ask why the experiment was carried out using only light and no other particle like elctron…?

Thanks in advance...............