2.RMS thermal dilation of a crystal cell a) Estimate for 300K the root mean square thermal dilation for a primitive cell of sodium. Note that Debye Temperature 158K is less than 300 K, so that the...

2.RMS thermal dilation of a crystal cell

a) Estimate for 300K the root mean square thermal dilation for a primitive cell of sodium. Note that Debye Temperature  158K is less than 300 K, so that the Thermal Energy is of the order