Presentazione Microparticelle

START

Virginia Moro, Giada Vantusso, Andinisa Luka, Gianluca Drescig

PRESENTATION

Millikan's experiment

• 1868-1953
• Nobel prize 1923
• Nobel 1923
• He studied in Columbia University and in Chicago University (where he also did his doctorate)
• 1909 did an experiment to measure electrons' charge
• Esteemed educator, he also inspired the students

• Elenco puntato
• Elenco puntato

• El.

• 1886-1953

• Zzril delenit augue duis dolore te feugait nulla.

+ INFO

Biography

+ INFO

+ INFO

+ INFO

+ INFO

-1 air currents and evaporation-2 assumption of spherical droplets-3 single droplet assumption-4 contamination

Questo è un paragrafo pronto a contenere creatività, esperienze e storie geniali.

+ INFO

• Elenco puntato
• Elenco puntato

• Elenco puntato
• Elenco puntato

The Millikan oil drop experiment, a cornerstone of modern physics, was conducted by physicist Robert A. Millikan between 1909 and 1911 at the University of Chicago. This groundbreaking experiment aimed to determine the charge of the electron and provided crucial insights into the nature of electricity and atomic structure.Millikan's experiment took place at the University of Chicago, a leading institution in scientific research and education.The University of Chicago provided Millikan with the resources and intellectual environment necessary to undertake such a challenging experiment. The university's commitment to scientific inquiry and innovation fostered an atmosphere conducive to groundbreaking research. Millikan's experiment benefited from the collaboration and support of fellow scientists and researchers at the university, further enhancing its significance and impact.The experimental setup employed by Millikan was ingeniously simple yet conceptually profound. A chamber was constructed where tiny oil droplets could be suspended between two parallel plates. By introducing a mist of oil into the chamber and applying an electric field, Millikan could observe the motion of individual droplets through a microscope. The precise control of the electric field was critical, as it allowed Millikan to manipulate the motion of the droplets and measure their charge.Millikan's experiment proceeded with meticulous attention to detail and rigorous methodology. Each observation required careful calibration and measurement, as Millikan recorded the behavior of the droplets under varying conditions of electric field strength. By analyzing the motion of the droplets, Millikan derived a relationship between their charge, mass, and the strength of the electric field. This relationship ultimately enabled him to determine the charge of the electron with unprecedented accuracy.The significance of Millikan's experiment cannot be overstated. By successfully measuring the charge of the electron, he provided experimental confirmation of the existence of discrete, quantized electric charge. This discovery revolutionized our understanding of electricity and laid the foundation for the development of quantum mechanics. Moreover, the experiment exemplified the power of experimental science to probe the fundamental laws governing the universe.Despite its monumental impact, the oil drop experiment faced challenges and controversies. Millikan encountered skepticism regarding the accuracy of his measurements and the interpretation of his data. However, subsequent experiments and analyses reaffirmed the validity of his findings, cementing the experiment's status as a landmark achievement in physics.In conclusion, the Millikan oil drop experiment represents a pivotal moment in the history of physics. Through meticulous experimentation and precise measurement, Millikan not only unlocked the secrets of the electron's charge but also reshaped our understanding of the fundamental nature of reality. His experiment remains a shining example of scientific discovery, inspiring generations of physicists to explore the mysteries of the universe.

delenit augue duis dolore te feugait nulla facilisi.

Millikan's Experiment mistakes

Millikan developed a new method to overcome this issue. He introduced a method called the "method of doublets" or "reciprocal droplets" technique.

How it was adjusted

+ INFO

te feugait nulla facilisi.

.https://ishtar.unibo.it/em/elet/millikan.html https://www.lancaster.ac.uk/media/lancaster-university/content-assets/im ages/physics/lab-in-a-box/LabInABox_Milikans.pdfhttps://www.britannica.com/science/Millikan-oil-drop-experiment

CARRIED OUT BY Robert A. Millikan, a physicist, did a famous experiment called the oil drop experiment at the University of Chicago from 1909 to 1911. He wanted to find out how much charge tiny particles called electrons have, which helps us understand electricity and atoms better.Millikan chose the University of Chicago because it's really good for science. The university had everything he needed, like smart people to work with and good equipment.For the experiment, Millikan made a special box where he could put tiny drops of oil. He put these drops between two flat plates and added electricity. Then, he looked at the drops under a microscope to see how they moved. By changing the electricity, he could control the drops' movement and figure out their charge.Millikan was very careful with his experiment, paying attention to every detail and measuring everything precisely. This approach not only ensured the accuracy of his results but also served as a model for future generations of scientists. This experiment was important because it showed that electric charge comes in specific amounts. This changed how we think about electricity and helped us learn more about how the world works.Even though some people doubted Millikan's experiment at first, later tests proved him right. His experiment became famous and is still considered one of the most important in science history.In short, the Millikan oil drop experiment was a big deal because it helped us understand how tiny particles like electrons work. By being careful and smart, Millikan showed us that electricity comes in fixed amounts, changing how we see the world.

Lorem ipsum dolor sit amet

THANK YOU!