– is the meanvelocity of gas molecules
How would we determine this? How many velocities do we need in order to calculate a viable mean since we see such a large spread in velocities?
10 Matching Annotations
- Sep 2025
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physerver.hamilton.edu physerver.hamilton.edu
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Stokes lawcan be modified to apply for particle diameters on theorder of the gas mean free path and smaller:
So we only use the slip correction for particles of a certain size?
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physerver.hamilton.edu physerver.hamilton.edu
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It is probable that these three drops corresponded not tosingle drops but to two drops stuck together.
How can we determine whether we are observing a drop that is two drops stuck together?
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broken up into ions happens to be on the line of force running fromthe plates through the drop.
What exactly does it mean for a molecule to be "on the line of force"
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I) the lack of complete stagnancy in the airthrough which the drop moved;
Does Millikan's method allow for complete stagnancy in the air? Sometimes, even when there is a carton atop the cover of the chamber, it still seems that there is some air current seeping through that could be responsible for some collective motion of the droplets.
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physerver.hamilton.edu physerver.hamilton.edu3838664
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I n other words, the apparent viscosity of theair is not affected by the charge in the caseof drops of the sort used in these experiments.
For some reason I would expect the viscosity of air to be affected by charge (or at least the viscosity of air directly surrounding the charge to be affected) because air ions are charged...
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I t is from this equation that the values of e
Is this the equation that we will use to obtain the charge of the drops? I know equation 1 gives a more simplified way to calculate charge and I am curious which equations we will use during different parts of the experiment.
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found in every case t h e originalcharge o n t h e d r o p a n exact m u l t i p l e o f t h esmallest charge w h i c h w e f o u n d t h a t t h e d r o pc a u g h t f r o m t h e air.
Kind of gives me chills reading about quantization of charge from the people who first discovered it...
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the time of the drop in the field changedsuddenly from 71 seconds to 380 seconds, thenback to 71, then down to 39, then up againto 71, and then up again to 380.
Does this demonstrate the quantization of charge?
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