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22 Feb 2018, 11:47
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B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
55%
(hard)
Question Stats:
56% (01:43) correct
44%
(01:52)
wrong
based on 358
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In many cases in physics, one has to deal simultaneously with collective and single particle excitations of the system. The collective excitations are usually bosonic in nature while the single particle excitations are often fermionic. One is therefore led to consider a system which includes bosoms and fermions. Hence
Which of the following best completes the above argument?
A. in this book, we discuss application of bosonic particles and their consequences on physics.
B. in this book, we discuss applications of general algebraic theory of mixed Bose-Fermi systems to atomic nuclei.
C. in this book, we discuss excitations of collective and single particles separately.
D. in this book, we prove how collective excitations are bosomic and singular exciations are fermionic.
E. in this book, we prove the collective and singular excitation cannot exist together.
Please give kudos if you liked the question !!!!!!!!!
Which of the following best completes the above argument?
A. in this book, we discuss application of bosonic particles and their consequences on physics.
B. in this book, we discuss applications of general algebraic theory of mixed Bose-Fermi systems to atomic nuclei.
C. in this book, we discuss excitations of collective and single particles separately.
D. in this book, we prove how collective excitations are bosomic and singular exciations are fermionic.
E. in this book, we prove the collective and singular excitation cannot exist together.
Please give kudos if you liked the question !!!!!!!!!
22 Feb 2018, 18:29
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A is incorrect because their consequences are out of scope.
C is incorrect because the last sentence of the stimulus says we should consider them together, not separate.
D is incorrect because it is completely out of scope.
E is incorrect because we still want an answer that considers both together, not that they cannot exist togethor.
Therefore B is the correct answer because the bose-fermi systems means we are considering them togethor.
C is incorrect because the last sentence of the stimulus says we should consider them together, not separate.
D is incorrect because it is completely out of scope.
E is incorrect because we still want an answer that considers both together, not that they cannot exist togethor.
Therefore B is the correct answer because the bose-fermi systems means we are considering them togethor.
11 May 2020, 05:57
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prince00113
Too much of scientific principles, but we have to just look at the flow of para..
In many cases, one has to deal with two things simultaneously. One of these is A in nature and other B in nature. Therefore, on has to consider a system that contains both A and B. Hence in this book, we .......
....It has to be related to both A and B.
A. in this book, we discuss application of bosonic particles and their consequences on physics.
The book has to contain study of both A and B simultaneously, and not just one of them.
B. in this book, we discuss applications of general algebraic theory of mixed Bose-Fermi systems to atomic nuclei.
Yes, whatever this may mean, but it tells us that we are discussing both A and B for something.
C. in this book, we discuss excitations of collective and single particles separately.
Opposite of what we are looking for.
D. in this book, we prove how collective excitations are bosomic and singular exciations are fermionic.
The book has to do more with some thing to do with A and B rather than prove something. Also, the para tells us that often one is A and other B. So, there is no way of changing OFTEN to always by proving why one is A and other B.
May be if we were to prove how collective excitations are often bosomic ( or bosonic?..The effects of using such terminology!) and singular exciations are often/usually fermionic.
E. in this book, we prove the collective and singular excitation cannot exist together.
Again, opposite of what we are looking for.
B
