1 / 13

Philipp Lenard

Philipp Lenard. By: Andrew Kapperman. Who?. Born at Pozsony, Austria-Hungary on June 7 th , 1862 Discovered Cathode Rays Married Katharina Schlehner Died May 20, 1947. Cathode Rays. Stream of electrons leaving the negative electrode. Cathode Ray Tubes: Invented by Karl Ferdinand Braun.

arnon
Download Presentation

Philipp Lenard

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Philipp Lenard By: Andrew Kapperman

  2. Who? • Born at Pozsony, Austria-Hungary on June 7th, 1862 • Discovered Cathode Rays • Married Katharina Schlehner • Died May 20, 1947

  3. Cathode Rays • Stream of electrons leaving the negative electrode. • Cathode Ray Tubes: • Invented by Karl Ferdinand Braun

  4. Cathode Ray Tubes • Used in: • Computer monitors • Automated teller machines • Video game machines • Video cameras • Oscilloscopes • Radar displays

  5. Before He Discovered… • 1886 – Got Ph.D. • 1892 – Privatdozent and assistant to Professor Hertz • 1894 – Appointed Professor Extraordinary at University of Breslau • 1894 – Published the Principle of Mechanics

  6. Before He Discovered… • 1898 – Appointed Professor Ordinarius at the University of Kiel • 1896 – Became Professor of Physics at Aix-la-Chapelle

  7. Quick Fact • In 1902 Lenard showed that an electron must have a certain minimum energy before it could product ionization when it passed through a gas

  8. Pictures

  9. Cathode Ray Tube

  10. Comic

  11. Pictures

  12. Bibliography • http://nobelprize.org/nobel_prizes/physics/laureates/1905/lenard-bio.html

More Related