A beam of 7.7-MeV a particles scatters from a gold foil of thickness o 0.32 μm. What fraction of the a particles scattered between 1.0° and 2.0°? What is the ratio of a particles scattered through angles greater than 1.0° to the m scattered through angles greater than 5.0°? Greater than 90°? What are the K and La wavelengths for helium and magnesium?
A beam of 7.7-MeV a particles scatters from a gold foil of thickness o 0.32 μm. What fraction of the a particles scattered between 1.0° and 2.0°? What is the ratio of a particles scattered through angles greater than 1.0° to the m scattered through angles greater than 5.0°? Greater than 90°? What are the K and La wavelengths for helium and magnesium?
Modern Physics
3rd Edition
ISBN:9781111794378
Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Chapter3: The Quantum Theroy Of Light
Section: Chapter Questions
Problem 19P
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![-) A beam of 7.7-MeV a particles scatters from a gold foil of thickness o 0.32 µm.
(a) What fraction of the a particles scattered between 1.0° and 2.0°?
(b) What is the ratio of a particles scattered through angles greater than 1.0° to the m
scattered through angles greater than 5.0°? Greater than 90°?
What are the K and Lg wavelengths for helium and magnesium?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7572df25-e56f-49ae-8feb-4df93971e2bd%2F58f782f8-5fba-4b30-b519-b2d9572928f8%2F9bd62lq_processed.jpeg&w=3840&q=75)
Transcribed Image Text:-) A beam of 7.7-MeV a particles scatters from a gold foil of thickness o 0.32 µm.
(a) What fraction of the a particles scattered between 1.0° and 2.0°?
(b) What is the ratio of a particles scattered through angles greater than 1.0° to the m
scattered through angles greater than 5.0°? Greater than 90°?
What are the K and Lg wavelengths for helium and magnesium?
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