For a two level system, the first excited state of a particle is 1.5 eV above the ground state. The ground state is doubly degenerate while the first excited stete has a four- fold degeneracy. Which of the following option(s) is/are correct? If the system is heated to a temperature of 7000 K, then fraction of particles in the

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For a two level system, the first excited state of a particle is 1.5 eV above the ground state. The ground state is doubly degenerate while the first excited stete has a four- fold degeneracy. Which of the following option(s) is/are correct? If the system is heated to a temperature of 7000 K, then fraction of particles in the excited state is 0.143. At T+, the fraction of particles in the excited state is 0.50 At T+, the fraction of particles in the excited state is 0.67 At T 0+, the fraction of particles in the ground state is 1.00

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