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Consider a system of 4N non-interacting spin  particles each fixed in position and carrying a magnetic moment μ . The system is immersed in a uniform magnetic field B. The number of spin down particle for which the entropy of the system will be maximum is
  • a)
    0
  • b)
    N
  • c)
    2N
  • d)
    4N
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Consider a system of 4N non-interacting spin particles each fixed in p...
Let us consider n number of spin out of 4N particle have spin down remaining 4N-n is up.
Number of ways 
Entropy 


for entropy maximum at equilibrium for spin  down particle 


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Consider a system of 4N non-interacting spin particles each fixed in position and carrying a magnetic moment μ. The system is immersed in a uniform magnetic field B. The number of spin down particle for which the entropy of the system will be maximum isa)0b)Nc)2Nd)4NCorrect answer is option 'C'. Can you explain this answer?
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