Problem 15-4. Consider a magnetic dipole in a magnetic field
B=1.00T
. Assume that this dipole follows the two-state model. (a) At
T=300K
, find the probability that the dipole will point in the direction of
B
. (b) Find the probability that the dipole will point in a direction opposite to B. Answer: (a) 0.50112, (b) 0.49888 .