A beam of neutrons with a de Broglie wavelength of 0.250 nm diffracts from a crystal of
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A beam of neutrons with a de Broglie wavelength of 0.250 nm diffracts from a crystal of table salt, which has an interionic spacing of 0.282 nm.
(a) What is the speed of the neutrons?
(b) What is the angle of the second interference maximum?
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