MILLIKAN OIL DROP EXPERIMENT

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[@kiranagarwalchakraborty455]

HAPPY TEACHER'S DAY, SIR💐🙏

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@@kiranagarwalchakraborty455 Thanks Kiran . Happy teachers day wishes to you

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Dear Students / All Viewer IMPORTANT - Please note the following correction in the Audiovisual. In the Audiovisual Millikan's oil experiment at 2.16 minutes t has been visualized as exposure of X rays would ionize the oil droplet. SUGGESTED CORRECTION :- But in reality on exposure of X Rays, the air inside the chamber gets ionized & there by liberates electrons. These emitted electrons get attached to the oil drop and thus makes it negatively charged. Please note the suggested correction.

[@Someone-pl8xm]

Thank you so much I had a homework to watch a video about the experiment and your video was the best video in explaining, thank you so much 🙏👍

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Thanks so much for appreciation on Millikans experiment.

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[@radhadandru4539]

Super explaination sir I understood clearly

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Thanks

[@rahulv.m3166]

Really very very very helpful video. Thank you for this vides

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Thanks Rahul for appreciating the quality and depth of explanation in the audiovisual

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So nice

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Good explanation. Tq sir

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Thanks vedantam for your valuable comments

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Chemistry by Sudhakar 3 minutes ago Hi Vedantam Please explore my course for class 11 & 12 useful for board, NEET as well as IIT JEE Exams in the following link www.aspirebuzz.com/neet-online-preparation-chemistry

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Properties of Cathode Rays: kzbin.info/www/bejne/jZi1YqqiaMhmgtU Millikan Oil Drop Experiment - Charge of Electron: kzbin.info/www/bejne/m3zHeHeFbtJlhK8 Rutherford's Gold Foil Experiment: kzbin.info/www/bejne/gZyylKejaaqFrpo Black Body Radiation: kzbin.info/www/bejne/mWa6fYKefbiShdk Planck’s Theory : kzbin.info/www/bejne/hJOQcn6VjNGrqq8 Photo-Electric Effect: kzbin.info/www/bejne/h522ga17jN6fotk Photo-Electric Effect explanation: kzbin.info/www/bejne/iqnaq6ajaLqmfrM Frequency of wave Analogy : kzbin.info/www/bejne/sKPSdWZjgMacpbM Spin Quantum Number/ Stern Gerlach Experiment: kzbin.info/www/bejne/inLNnIZrfp6fmZo Heisenberg Uncertainty Principle - A Thought Experiment - kzbin.info/www/bejne/a6TLi5V3g7-EgbM Please share among students and subscribe

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Your great animation

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Many thanks. It was really helpful to understand

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@@ChemistrybySudhakarAVC Do you have a video talking about the cathode rays tube experiment?

[@saichaitanyachemistry9491]

##@Chemistry by Sudhakar AVC @Chemistry by Sudhakar AVC milikan has founded that electrical charge on oil droplets was equal to the integral multiple values of negative 1.602× 10^9 c,how he founded exactly ??? Please explain sir🙏

[@ChemistrybySudhakarAVC]

Millikan determined the charge by measuring the terminal velocity of falling oil droplets without an electric field. This enabled him to calculate the mass of the droplets using Stokes' law. Millikan then adjusted the voltage between the plates so that the charged oil droplets remained stationary, balancing gravitational and electrical forces. Millikan could calculate the charge on an oil droplet using the formula: q = mg/E, where q is the charge, m is the mass, g is gravity, and E is the electric field. Millikan repeated the process for various oil droplets and discovered that the calculated charges were always integer multiples of a fundamental value, which he determined to be approximately 1.602 × 10^-19 C. Millikan discovered that the charges on oil droplets were quantized, allowing for only discrete integer values of the electron's fundamental charge. This provided direct experimental evidence for the electron's existence and fundamental charge. In 1923, Millikan received the Nobel Prize in Physics for his precise measurement of the electron charge.

[@tanuja8893]

Sir then what does charge tells about in this experiment??

[@tanuja8893]

Is it telling us the movement electron is making or anything else

[@kundajanakireddy1386]

Sir, I have a doubt. Without knowing the mass how did they find out the charge to mass ratio?

[@ChemistrybySudhakarAVC]

Millikan's experiment utilized the balance of forces and droplet motion measurements to determine the charge of oil droplets without requiring the exact mass of each droplet. By understanding air viscosity, oil density, terminal velocity, and electric field strength, Millikan calculated the radius and charge of oil droplets, confirming its quantized nature. Millikan achieved the fundamental charge of an electron by balancing electric and gravitational forces on droplets, a crucial step in determining their charge-to-mass ratio without directly measuring their mass. THANKS

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Thank you

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Thanks satuavathi.

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please watch atomic structure audiovisuals , share among students & subscribe Properties of Cathode Rays: kzbin.info/www/bejne/jZi1YqqiaMhmgtU Millikan Oil Drop Experiment - Charge of Electron: kzbin.info/www/bejne/m3zHeHeFbtJlhK8 Rutherford's Gold Foil Experiment: kzbin.info/www/bejne/gZyylKejaaqFrpo Black Body Radiation: kzbin.info/www/bejne/mWa6fYKefbiShdk Planck’s Theory : kzbin.info/www/bejne/hJOQcn6VjNGrqq8 Photo-Electric Effect: kzbin.info/www/bejne/h522ga17jN6fotk Photo-Electric Effect explanation: kzbin.info/www/bejne/iqnaq6ajaLqmfrM Spin Quantum Number/ Stern Gerlach Experiment: kzbin.info/www/bejne/inLNnIZrfp6fmZo Heisenberg Uncertainty Principle - A Thought Experiment - kzbin.info/www/bejne/a6TLi5V3g7-EgbM Thanks

[@saichaitanyachemistry9491]

###@Chemistry by Sudhakar AVC sir I not understood that how he got exactly charge of electron q=1.602×10^10 coulombs?

[@kiranagarwalchakraborty455]

Sir you did not show the forces acting on the oil drop?

[@ChemistrybySudhakarAVC]

Kiran at 4.12min of video it has been explained that Electrical force acting on oil drop (qxe) = m X g ( weight of oil drop, from which charge & e/m ratio was calculated. Please once again go through the video scrupulously.

[@kiranagarwalchakraborty455]

@@ChemistrybySudhakarAVC No sir but the Buoyant force, Viscous Drag Force etc etc...?

[@ChemistrybySudhakarAVC]

@@kiranagarwalchakraborty455 True . In my video I have dealt with relavant chemistry aspects into consideration, doesn't want to include physics terms. What you have posinted was correct. Thanks

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@@ChemistrybySudhakarAVC No issues sir...🙏👍

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@@ChemistrybySudhakarAVC Sir you live in which state and city?

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Thank you sir😄

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[@ekrishna565]

Nice sir experiment

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Thanks Krishna chinna

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Chemistry by Sudhakar 3 minutes ago Hi Krishna Please explore my course for class 11 & 12 useful for board, NEET as well as IIT JEE Exams in the following link www.aspirebuzz.com/neet-online-preparation-chemistry

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Please solve the MCQs from the following link drive.google.com/drive/folders/1j7wbNsfCScR_QTG_wWyKZ35stivpEE6w Thanks

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[@saichaitanyachemistry9491]

#@Chemistry by Sudhakar AVC how milikan has found out that electrical charge on oil droplets was equal to the integral multiple values of negative values of the

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