Thermal neutrons are incident on a crystal whose principal Bragg plane spacing is 3.0 Å. If a first-order Bragg reflection from the planes is found at 30°, what is the kinetic energy of the thermal neutrons (mass = 1.67 × 10-27kg)?

Thermal neutrons are incident on a crystal whose principal Bragg plane spacing is 3.0 Å. If a first-order Bragg reflection from the planes is found at 30°, what is the kinetic energy of the thermal neutrons (mass = 1.67 × 10-27kg)?

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

Chapter5: Matter Waves

Section: Chapter Questions

Problem 22P

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Question

Thermal neutrons are incident on a crystal whose principal Bragg plane spacing is 3.0
Å. If a first-order Bragg reflection from the planes is found at 30°, what is the kinetic
energy of the thermal neutrons (mass = 1.67 × 10-27kg)?

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