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What is Millikan oil drop experiment?
Who performed the oil drop experiment?
How did Robert Millikan measure the charge on a series of oil drops?
Why was the Millikan experiment important?
Millikan oil-drop experiment, first direct and compelling measurement of the electric charge of a single electron. It was performed originally in 1909 by the American physicist Robert A. Millikan, who devised a straightforward method of measuring the minute electric charge that is present on
- The Editors of Encyclopaedia Britannica
The oil drop experiment was performed by Robert A. Millikan and Harvey Fletcher in 1909 to measure the elementary electric charge (the charge of the electron). [1] [2] The experiment took place in the Ryerson Physical Laboratory at the University of Chicago .
The Millikens Oil Drop Experiment was an experiment performed by Robert A. Millikan and Harvey Fletcher in 1909 to measure the charge of an electron. This experiment proved to be very crucial in the physics community.
- What did Millikan’s oil drop experiment measure?Millikan oil-drop test, the first simple and persuasive electrical charge calculation of a single electron. It was first conducted by the American...
- What is the importance of Millikan’s oil drop experiment?The experiment with Millikan is important since it defined the charge on an electron. Millikan used a very basic, very simple system in which the b...
- What did Millikan conclude after performing his oil drop experiment?An integral multiple of the charge on an electron is the charge on every oil decrease. About an electric force. In a relatively small amount, the c...
- Why charges are quantized?Charges are quantized since every object’s charge (ion, atom, etc.) Charge quantization, therefore, implies that no random values can be taken from...
- Can charge be created or destroyed?The Charge Conservation Law does not suggest that it is difficult to generate or remove electrical charges. It also means that any time a negative...
Robert Millikan's oil drop experiment measured the charge of the electron. The experiment was performed by spraying a mist of oil droplets into a chamber above the metal plates.
Devised by Robert A. Millikan and Harvey Fletcher, the Millikan Oil Drop Experiment is conducted in a chamber and is a method of measuring the electric charge of a single electron. To elaborate, this chamber contains an atomizer, a microscope, a light source, and two parallel metal plates.
THEORY. In this experiment you will use tiny droplets of oil. When these droplets fall under the influence of gravity it takes them only a few milliseconds to reach a terminal (constant) speed vf, where the downward force of gravity is balanced by the upward drag force from the air.
In an important series of experiments in Chicago, Robert Millikan measured the charge on a series of oil drops. He did this by observing the time taken for a drop to fall at its terminal velocity under the influence of gravity between two fixed levels, this enabled him to deduce the radius of the drop and therefore the drag force operating on it.
