![describe jj thomson cathode ray experiment describe jj thomson cathode ray experiment](http://tlaphysicsportfolio.weebly.com/uploads/6/1/5/8/61582483/crt-1_orig.png)
The existence of the electron showed that the 2,000-year-old conception of the atom as a homogeneous particle was wrong and that in fact the atom has a complex structure.Ĭathode-ray studies began in 1854 when Heinrich Geissler, a glassblower and technical assistant to German physicist Julius Plücker, improved the vacuum tube. Their work culminated in the discovery by English physicist J.J. SpaceNext50 Britannica presents SpaceNext50, From the race to the Moon to space stewardship, we explore a wide range of subjects that feed our curiosity about space!ĭuring the 1880s and ’90s scientists searched cathode rays for the carrier of the electrical properties in matter.Learn about the major environmental problems facing our planet and what can be done about them! Saving Earth Britannica Presents Earth’s To-Do List for the 21st Century.
![describe jj thomson cathode ray experiment describe jj thomson cathode ray experiment](http://theatomictheoryandchemists.weebly.com/uploads/5/9/7/9/59792027/plum-pudding-model_orig.jpg)
#Describe jj thomson cathode ray experiment how to#
COVID-19 Portal While this global health crisis continues to evolve, it can be useful to look to past pandemics to better understand how to respond today.Student Portal Britannica is the ultimate student resource for key school subjects like history, government, literature, and more.From tech to household and wellness products. Britannica Explains In these videos, Britannica explains a variety of topics and answers frequently asked questions.This Time in History In these videos, find out what happened this month (or any month!) in history.#WTFact Videos In #WTFact Britannica shares some of the most bizarre facts we can find.Demystified Videos In Demystified, Britannica has all the answers to your burning questions.Britannica Classics Check out these retro videos from Encyclopedia Britannica’s archives.