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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