By what slot has it gone?

Hello,

1) I am trying to acquire some (qualitative only) bases on the MQ using among others Berkeley vol4 "quantum physics". The famous experiment of the two slits is discussed and one of the conclusions is:

"question: through which slit the photon is passed?

Answer: it went through the 2 slits partly by the U and partly by L" (upper and lower I guess)



that it is possible why not since one is in a very special universe but ... little question of logic: a photon is "something" (what =? for me if not a mathematical being which represents its observed properties perhaps ) that can not be split if I understood correctly. And yet without being divisible it would split by dispersing its energy which again is reputed to travel in a single package of value.



2) What about an electron, does it also pass through the 2 slots at once = at the same time so equidistant? Does this mean that it is the wave of probability that passes through each slot the word "particle" then having no meaning?









Please help.

Thanks!



I didn't find the right solution from the Internet.



References:

forums.futura-sciences.com/physique/809032-fente-passe.html



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