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Busch's em - machines

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Just felt like uploading something again...

Busch's experiment to determine specific electron-charge e/m.
We got a value of e/m = 1, 688 *10^11 C/kg ± 0, 07502 ∗ 10^11 C/kg while literature tells e/m=1,76∗10^11 C/kg...
so I think it was a success... maybe the calculated error was a bit too small...
Image size
2048x1536px 874.07 KB
Make
SAMSUNG
Model
GT-S5260
Shutter Speed
1/14 second
Aperture
F/2.6
Focal Length
3 mm
ISO Speed
50
Date Taken
Nov 21, 2011, 11:10:32 AM
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