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an evaporation-cry

.9. A simple model of a ferromagnet supposes that it consists of a macroscopic number N of so-called spins. Each spin can have one of two orientations, either up or down. Assume here that the spins do not interact with one another; that is, their energies are independent of the up or down state of their neighbors Instead, for every up spin, there is an energy of -h and for every down one an energy of th (a) Find an expression for the density of states of this system. (b) Find the fraction of spins that are up, f, as a function of the temperature. (c) What is the behavior of fas T-o and as T- 0?
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inanexpomemion fo the density of states of this System mber 4 microstates with frxed E, N is thug Difference adjacent energy

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