- #1
LTP
- 24
- 0
The entropy of a system is
S = k*ln W
If we obtain some information about the microstates, e.g. know the location and velocities of some of the molecules, then W is decreased by a amount w, so
S1 = k*ln(W-w)
That is an decrease in entropy, i.e. S1 < S.
Do physicists still "believe" so?
S = k*ln W
If we obtain some information about the microstates, e.g. know the location and velocities of some of the molecules, then W is decreased by a amount w, so
S1 = k*ln(W-w)
That is an decrease in entropy, i.e. S1 < S.
Do physicists still "believe" so?