37. A beam of X-rays with wavelength of 0.154 nm is directed to certain planes of a silicon crystal. The first strong interference maximum was found when the beam makes an angle of 34.5 degrees with the planes. How far apart are the planes?

37. A beam of X-rays with wavelength of 0.154 nm is directed to certain planes of a silicon crystal. The first strong interference maximum was found when the beam makes an angle of 34.5 degrees with the planes. How far apart are the planes?

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter4: Diffraction

Section: Chapter Questions

Problem 72P: X-rays of wavelength 0.103 nm reflects off a crystal and a second-order maximum is recorded at a...

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Question

37. A beam of X-rays with wavelength of 0.154
nm is directed to certain planes of a silicon
crystal. The first strong interference
maximum was found when the beam
makes an angle of 34.5 degrees with the
planes. How far apart are the planes?
0.272 nm
0.136 nm
119.5 nm
100 nm

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