CBSE Class 12-science Answered
Give reasons:-
(i)Why is the binding energy per nucleon found to be constant for nuclei in the range of mass no.(A)lying betwn 30 & 170?
(ii)When a heavy nucleus with mass no.A=120 energy is released in the process?
(iii)In B-decay,the experimental detection of neutrinos(or antineutrinos)is found to be experimentally difficult?
Asked by Aishwarya Pawar | 06 Sep, 2012, 02:29: PM
Expert Answer
(1)The binding energy is a very short order range force.
So beyond a certain amount of range the force has no influencee beyond that. thats why after
certain number the binding energy per nuceon do not change even if we add more nucleons
(2) It is so because, when the nucleus will decompose into lighter nuclie, there will be some mass lost which comes out in the form of energy.
(3)It is because nutrinos are with very less mass and no charge thus they do not interact at all.
Thus difficult to detect
Answered by | 08 Sep, 2012, 05:56: PM
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