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Unformatted text preview: Quiz 1a 2008 1. a) In the schematic below, the α-particle is deflected out of the page. Label the poles on the magnet. b) Using the unfinished partial schematic above, in what direction should the electric field plates be placed to replicate the results of a positively-charged particle-ray experiment similar to that of the Cathode Ray Experiment? Please draw the electric field plates on the schematic above, and label the direction of the electric field. 2. Both the electric and magnetic fields are turned on in the experimental set-up below. a) Which field is exerting the stronger force if an α-particle (He 2+ ) is deflected up the page? Electric field b) Which direction is the force on an α-particle (He 2+ ) due to the electric field? Up the page c) Assuming that the magnetic field is stronger, which direction is a Li atom deflected? Undeflected d) Which field is exerting the stronger force if an H ¯ particle is deflected up the page? Magnetic field 3. True or False? Please circle the correct answer....
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This note was uploaded on 10/20/2008 for the course CHEM 111A taught by Professor Hockings during the Fall '08 term at Washington University in St. Louis.
- Fall '08