Physics

Physics, 04.10.2019 23:30, pheonixhowls

Asystem possesses three energy levels e2-ε and e3-2e, with degeneracies-(e)- , g2-g(e)-2. find the internal energy, as a function of ε, tand k (boltzmann's la constant). t is the probability of finding an electron with an energy in the interval from 0 to 9e0 at 7-0, where ε。is fermi energy? what is the probability of finding an electron with an energy in the interval from 26o to 7eoat c. what is the probability of finding a bose-particle with an energy e in the interval: . what is the probability of finding a bose-particle with an energy e in the interval: 1 evse < 3 ev at t-0?

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Physics, 03.07.2019 02:20, Brandonjr12

Jin knows that the initial internal energy of a closed system is 78 j and the final internal energy is 180 j. he also knows that 64 j of energy are used to do work. to find the heat added to the system, jin completes the steps below. 1. add the initial internal energy plus the final internal energy to find the change in internal energy. 2. add the change in internal energy to the energy used to do work. 3. write the answer in joules. which best describes jin's error? for step 1, he should have used 180 j as the change in internal energy. for step 1, he should have subtracted 78 j from 180 j to find the change in internal energy. for step 2, he should have subtracted the change in internal energy from the energy used to do work. for step 2, he should have subtracted the energy used to do work from the change in internal energy.

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Physics, 03.07.2019 19:00, dragon2565

Jin knows that the initial internal energy of a closed system is 78 j and the final internal energy is 180 j. he also knows that 64 j of energy are used to do work. to find the heat added to the system, jin completes the steps below. 1. add the initial internal energy plus the final internal energy to find the change in internal energy. 2. add the change in internal energy to the energy used to do work. 3. write the answer in joules. which best describes jin's error? a )for step 1, he should have used 180 j as the change in internal energy. b )for step 1, he should have subtracted 78 j from 180 j to find the change in internal energy. c )for step 2, he should have subtracted the change in internal energy from the energy used to do work. d )for step 2, he should have subtracted the energy used to do work from the change in internal energy.

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Physics, 10.07.2019 22:30, JS28boss

Fermions in a two-level or three-level system with degeneracy consider a have only two energy levels, with energy eo = degeneracies no and n1, which are integers. hint: note that system of n independent fermions. assume that single-particle hamiltonian 0 and e1 = €. however, the two levels have 1 1 (4) e 1 e- 1 a) for the case of n = 1 = no = n1. find the chemical potential, u, as a function of temperature. find the fermi energy, ef t0) (b) for the case of n no, while no and ni are arbitrary integers. find the chemical potential, , as a function of temperature in the low temperature limit.

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Physics, 05.10.2019 01:30, bbrid8590

Asystem consists ofnidentical partides. each particle can have only one of energies: ,2,3, for given temperature 7 find the average energy of the system, the partition function z,free energy f, entropy s, internal energy u of the system, of the system. finally,determine an expression for the heat capacity of the system e=ε 1-e-e/kt

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Asystem possesses three energy levels e2-ε and e3-2e, with degeneracies-(e)- , g2-g(e)-2. find the...

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