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Question: 

The neutrons in a parallel beam, each having kinetic energy 0.025 eV, are directed through two slits 0.40 mm apart. How far apart will the interference peaks be on a screen 1.0 m away? [Hint: First find the wavelength of the neutron.]

Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014. Reprinted by permission of Pearson Education Inc., New York.
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Quick Answer: 

$0.45 \; \mu \textrm{m}$

Giancoli 7th Edition, Chapter 28, Problem 1

(3:10)

Chapter 28, Problem 1 is solved.

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