Which of the following is wrong statement about binding energy ?
It is the energy required to break a given nucleus into its constituent nucleons
It is the energy released when the nucleons combine to form a nucleus
It is the sum of the rest mass energies of nucleons minus the rest mass energy of the nucleus
It is the sum of the kinetic energies of all the nucleons in the nucleus
A
It is the energy released when the nucleons combine to form a nucleus
B
It is the energy required to break a given nucleus into its constituent nucleons
C
It is the sum of the kinetic energies of all the nucleons in the nucleus
D
It is the sum of the rest mass energies of nucleons minus the rest mass energy of the nucleus
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Solution
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The first three options are correct from the definition of Binding energy. B.E. has nothing to do with K.E. of the nucleons in nucleus.
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Q1
Which of the following is a wrong description of binding energy of a nucleus?
(a) It is the energy required to break a nucleus into its constituent nucleons.
(b) It is the energy made available when free nucleons combine to form a nucleus.
(c) It is the sum of the rest mass energies of its nucleons minus the rest mass energy of the nucleus.
(d) It is the sum of the kinetic energy of all the nucleons in the nucleus.
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Q2
Binding energy of a nucleus is the difference between the sum of the rest mass energies of each of its nucleons and the rest mass energy of the nucleus.
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Q3
Assertion :The rest mass energy of a nucleus is smaller than the rest mass energy of its constituent nucleons in free state. Reason: Nucleons are bound together in a nucleus, due to the binding energy between them.
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Q4
The binding energy of a nucleus is the difference between the sum of the rest mass energies of each of its nucleons and the rest mass energy of the nucleus.
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Q5
State True or False:
The binding energy of a nucleus is the difference between the sum of the rest mass energies of each of its nucleons and the rest mass energy of the nucleus.