An alpha particle (m = 6.68 x 1027 kg, q = +2 e.c.) is fired through a velocity selector that is created by an electric field of 4.5 x 105 N/C and a magnetic field of 0.90 T. It then enters a second magnetic field of 1.5 T. a) Explain how a velocity selector works and determine the speed which the alpha particle must have been moving at. b) After half a revolution in the second magnetic field, the alpha particle exits the field. How far from its point of entry does it leave?
An alpha particle (m = 6.68 x 1027 kg, q = +2 e.c.) is fired through a velocity selector that is created by an electric field of 4.5 x 105 N/C and a magnetic field of 0.90 T. It then enters a second magnetic field of 1.5 T. a) Explain how a velocity selector works and determine the speed which the alpha particle must have been moving at. b) After half a revolution in the second magnetic field, the alpha particle exits the field. How far from its point of entry does it leave?
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter30: Magnetic Fields And Forces
Section: Chapter Questions
Problem 90PQ: A mass spectrometer (Fig. 30.40, page 956) operates with a uniform magnetic field of 20.0 mT and an...
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An alpha particle (m = 6.68 x 1027 kg, q = +2 e.c.) is fired through a velocity selector that is created by an electric field of 4.5 x 105 N/C and a magnetic field of 0.90 T. It then enters a second magnetic field of 1.5 T. a) Explain how a velocity selector works and determine the speed which the alpha particle must have been moving at. b) After half a revolution in the second magnetic field, the alpha particle exits the field. How far from its point of entry does it leave? |
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