XI -2 #2 - Charge and Mass of Electron - Millikan's Oil Drop Experiment
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- เผยแพร่เมื่อ 25 ส.ค. 2017
- Need help in Chemistry? Are you in 11th or 12th grade? Then you shall find these videos useful. I hope you work with your teachers and me and 'kill it' in the final exams - Boards in India or Regents in the USA.. Wishing you all the best!!
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Mam protons are released from both anode and ionisation of gases in evacuation tube right?
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mam how the the downward plate became negative charged
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Mam plz clear my confusion plz tell me which plate was filled with air upper or lower????
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If we could experiment with different conditions, would the amount of the elementary charge change?
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How did they calculate the radius of the drop?
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How practically we can calculate charge of electron by millikan expt.
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Mam I have a doubt please do clarify this
JJ Thompson found out the charge to mass ratio..
To find that ratio he has to divide the charge and mass of electron right??How did he manage to get the ratio?
I mean to say...since the mass of electron was found by Millikan's experiment..how was the ratio already considered?
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Very nice explanation madam. Your presentation is extraordinary. I request you to clarify me a doubt, i.e., is there no proportionality relation between mass and voltage applied on drop to make it stationary? What I mean to say is if mass is 5.9 the value is 160 zeptoC, for 3.7 it is 480 and for 9.8 it is 640, for 6.2 it is 800.
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Miss can you make a video 📹on how the cathode rays are deflected in magnetic field? In the light of Fleming's right or left hand rules.
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Maam Why Ionising radiation provide electrons but not positive ions?
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Ma'am why electron will stick to the oil drop?
Q .. how will u suspend a position particle with a negative down plate.. gravity will pull it secondly negative charge would would attract it.. it cant be suspended in air.. if u do it the other way around making upper plate negative isn't it that it will stick to it instead of going down... Please reply..
AMARJEET KAUR It is the negative electrons that are suspended after ionization, not positive ions. That should verify your doubts.
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Can u plz Mam explain why Cathode ray bend in the presence of Magnetic Field
Because anything that has electric charge also has a magnetic charge. So it is affected by a magnetic field too.
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Good medium specially mass ratio electron
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