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Double-slit experiment

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In the double-slit experiment, light or electron particles are shone at a solid thin plate that has two slits cut into it. A photographic plate is set up to record what comes through those slits. One or the other slit may be open, or both may be open.When only one slit is open, the pattern on the plate is a diffraction pattern, a fairly narrow central band and dimmer bands parallel to it on each side. When both slits are open, the pattern displayed becomes very much more detailed and at least four times as wide.More on the Double-slit experiment: http://en.wikipedia.org/wiki/D...

Channel: Education
Uploaded: December 31, 1969 at 6:59 pm
Author: hellgas0

Length: 05:04
Rating: 5.00
Views: 5945

Tags: Christiaan  diffraction  double  experiment  Huygens  particles  pattern  physics  quantum  science  slit  wave  

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Video Comments

WiseWeeabo (December 31, 1969 at 6:59 pm)
arguably, people don't chose like people conceive of 'choosing' neither though :)
ginnyjollykidd (December 31, 1969 at 6:59 pm)
This experiment where the particle/wave was observed before they hit the slit still begs the question: how does the particle/wave (wavicle) "know" to go through one slit or the other; whether to interfere with itself (?) or not?It is difficult not to anthropomorphize in the face of not knowing the process that's involved. In a picture of an artist painting a picture of an artist painting a picture of an artist painting a picture ad infinitum, where is the picture? And what does it look like?
joejumps4fun (December 31, 1969 at 6:59 pm)
PS: Who is this guy and what is the name of the show? I saw this same animation about "God's perspective vs. ours" and I'd like to find it again. Anyone know the name of this program?
joejumps4fun (December 31, 1969 at 6:59 pm)
Awesome, but I didn't understand the observer part.
timmyp77 (December 31, 1969 at 6:59 pm)
it's somewhat misleading to say 'the electron chose' and also to portray the 'observer' as an eyeball. both of these oversights could lead to major misconceptions if you don't understand why they are poor metaphors. electrons don't chose like people conceive of 'choosing' and measuring the passage of electrons is not the same as 'watching' with a human eye.
TOJIROCKING (December 31, 1969 at 6:59 pm)
Nicely explained.

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