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Question: 

First-order Bragg diffraction is observed at $23.8 ^\circ$ relative to the crystal surface, with spacing between atoms of 0.24 nm.

  1. At what angle will second order be observed?
  2. What is the wavelength of the X-rays?

Source: Giancoli, Douglas C., Physics: Principles with Applications, 7th Edition, 2014.

Quick Answer: 
  1. $54^\circ$
  2. 0.19 nm

Giancoli 7th Edition, Chapter 25, Problem 61

(1:12)

Chapter 25, Problem 61 is solved.

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