I Millikan's Experiment: Observing Vibrating Oil Droplets

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In Millikan's experiment, the observed "vibrating" motion of oil droplets is attributed to Brownian motion, which is the random movement of particles suspended in a fluid. This phenomenon occurs due to collisions with molecules in the surrounding medium. Millikan conducted numerous measurements to minimize the impact of this effect on his results. His dedication to precision in the oil drop experiment is widely admired. Understanding these vibrations is crucial for accurately interpreting the experiment's findings.
Jorge Jr
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Hello. In Milikan's experiment, as we observe the oil droplets through the microscope, during the measurement of the speed of fall and rise.
we can see that the oil droplets are "vibrating".
Why does it happen?
Sorry for my bad English.
 
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The original Milikan experiment involved hundreds of measurements in order to reduce the consequence of the effect that you were observing (amongst all the others). He is one of my heroes because of that sort of dedication.
 
Is such an effect the Brownian effect?
 

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