hi can someone answer these 2 multichoice questions. Internal energy per particl

Question

hi can someone answer these 2 multichoice questions.

Internal energy per particle of Fermi-particles for T0 and with A. is always more than chemical potential. can be equal to zero. Ccan be negative. D. can be less than chemical potential. .is always less than chemical potential. F. do not depend on number of the particles Internal energy per particle of Bose-particles at T-0 A. is equal to pressure. B. is equal to chemical potential. 10. C. is less than pressure. D is less than chemical potential. E. is more than chemical potential. l F. is more than pressure

Explanation / Answer

9. Internal energy per Particle of Fermi-particles for T > 0 and with e = p^2/2m

Answer: D. can be less than chemical potential

10. Answer: E. is more than chemical potential

For bose particles, at T=0 the internal energy dominates. All particles are added go into the ground state, so the chemical potential goes to ground state energy. Hence the internal energy is more than chemical potential at T=0.

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