A torsion pendulum with a tantalum wire has a pendulum frequency, v, of 0.82 Hz. When the logarithmic decrement, ?, is measured with this pendulum, the peak in the plot of ? versus 1/T occurs at 415.5 K. Show by using Eq. 13.45, with T = 415.5 K, that this peak corresponds to the presence of oxygen in the tantalum.
What will be an ideal response?
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