Problems and Solutions on Thermodynamics and Statistical Mechanics

390 Problems tY Solutions on "hermidynamics 6' Statistical Mechanics 2196 An insulated box of volume 2V is divided into two equa ...

Statistical Phyaica 391 each part and A the area of the small hole. Then from the equations dnl AG dt 4 V- + -(nl - n2) = 0 , dn ...

392 Problems d Solutiotw on Thermodynamics d Statistical Mechanics Case (a) : solid curves Case (b) : dashed curve Fig. 2.43. t" ...

393 (b), (c), (d). The above can be written as We first calculate the number of molecules which collide with unit length of the ...

394 Problem3 d Solutiotu on Thermodynamics €4 Statistical Mechanics of particles in the beam is lo1'/ cm3. Compare this result w ...

Stati~tical Phpics 395 where N is the particle number density in the beam and A is the cross section of the beam. Hence Jrnvz2.v ...

396 Problems €4 Solutions on Thermodynamics €4 Statistical Mechanics The most probable velocity is the value of v corresponding ...

Statistical Physics 397 own estimates of collision cross-sections and molecular mean free paths. You may restrict your attention ...

398 Problem8 El Solutiotu on Thermodynam'c~ €4 Statistical Mechanics Fig. 2.46. Solution: The temperature at z can be written as ...

Statistical Physics 399 through unit area perpendicular to the 2-direction in unit time is nG/4. In a collision the momentum tra ...

400 Problems d Solutions on Thermcdpizm'cs €4 Statistical Mechanics Solution: (a) The number of molecules passing through a unit ...

Statistical Phyaics 401 giving the current density j, = enAv, = enE,er/m , where rn is the mass of the electron and e is its cha ...

402 Problems d Solutions on Thermodynamics €4 Statistical Mechanic8 where no is the concentration of particles at z = 0, whence ...

403 (c) The electric current density j under the electric field E is j = aE = -aV+(z). The diffusion current density is J = -DVp ...

404 Problem8 d Solutiom on Therdytamics d Statistical Mechanics impurities limits electrical conduction. In this case, the condu ...

Statistical Phyaica Thus the number of states between n and n + dn is 1 2 -. 2rndn = rndn. 4 405 Hence dn 4rmL2 N(E) = rn- = ~ d ...

406 Problem8 d Solutions on Thermodynamics d Statistical Mechanics We have o = e2DN(EF) - e2vg - EF. Let the total number of el ...

Statistical Physics 407 Solution: (a) The assumptions made are the following. A collision can be considered to take place at a ...

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