24-1 Physics I Class 24 e/m Ratio for the Electron.

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Presentation transcript:

24-1 Physics I Class 24 e/m Ratio for the Electron

24-2 Joseph John (“J.J.”) Thomson

24-3 Calculating Change in K.E. from Electric Potential (Review)

24-4 Magnetic Force on a Moving Charge (Review)

24-5 The Radius of the Circle (Review)

24-6 Apparatus for Measuring e/m

24-7 The Cathode Ray Tube

24-8 Analysis of Electron Acceleration

24-9 Helmholtz Coils

24-10 Derivation of e/m Formula

24-11 Experimental Procedure

24-12 Viewing the Electron Path

24-13 A Similar Application -- Mass Spectrometer

24-14 Basic Operation of a Magnetic Sector Mass Spectrometer

24-15 Mass Spectrometer Diagram

24-16 Class #24 Take-Away Concepts

24-17 Activity #24 Measuring e/m for the Electron

24-18 Optional Material for Class #24

24-19 Robert Andrews Millikan

24-20 Analysis of Oil Drop Experiment