The interatomic spacing in a particular crystal is 0.276 nm. This crystal is bei

Question

The interatomic spacing in a particular crystal is 0.276 nm. This crystal is being studied in a neutron diffraction experiment, similar to the one that produced the photograph shown. How fast must a neutron (mass = 1.67

The interatomic spacing in a particular crystal is 0.276 nm. This crystal is being studied in a neutron diffraction experiment, similar to the one that produced the photograph shown. How fast must a neutron (mass = 1.67 ? 10-27 kg) be moving in order to have a de Broglie wavelength of 0.276 nm?

Explanation / Answer

de broglie wavelength=h/p

where h=plank's constant

p=momentum=mass*speed

so putting the values we get,

speed=1438.4 m/s

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