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louza8
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Homework Statement
Suppose you want to observe neutron diffraction in a crystal with 0.27nm spacing between lattice planes.
Part A asks for the momentum of neutrons with a wavelength equal to the spacing. I used p = h/lambda to get the correct answer 2.5×10−24kgms-1
Question1:
Find the kinetic energy of neutrons having wavelength equal to this spacing.
Question2:
If these neutrons constituted an ideal gas, what would be the gas temperature?
Homework Equations
Q1. k=0.5mv2
Q2. PV=nRT
The Attempt at a Solution
Q1: I've tried a couple of different methods, don't know if I'm going the right way with this.
k=0.5mv2
0.5(1.67*10^-27)(1.47*10^3)^2 = 1.80*10^-21J
is this correct?
Q2: I have no idea.
Thanks in advance.
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