Alpha particles of kinetic energy 6.2 MeV are incident at a rate of 3.1 x 107 per second on a copper foil of thickness 3.1 x 10-6 m. A circular detector of diameter 1.0 cm is placed 11 cm from the foil at an angle of 30° with the direction of the incident alpha particles. At what rate does the detector measure scattered alpha particles? (The molar mass of copper is 63.5 g/mol and its density is 8.9 g/cm³.)
Alpha particles of kinetic energy 6.2 MeV are incident at a rate of 3.1 x 107 per second on a copper foil of thickness 3.1 x 10-6 m. A circular detector of diameter 1.0 cm is placed 11 cm from the foil at an angle of 30° with the direction of the incident alpha particles. At what rate does the detector measure scattered alpha particles? (The molar mass of copper is 63.5 g/mol and its density is 8.9 g/cm³.)
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter30: Nuclear Physics
Section: Chapter Questions
Problem 53P
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