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The relation between the nuclear radius (R) and the mass number (A), given by R = 1.2 A1/3 fm, implies that
  • a)
    The central density of nuclei is independent of A
  • b)
    The volume energy per nucleon is a constant
  • c)
    The attractive part of the nuclear force has a long range
  • d)
    The nuclear force is charge dependent
Correct answer is option 'A,B'. Can you explain this answer?
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The relation between the nuclear radius (R) and the mass number (A), g...
Relation between Nuclear Radius and Mass Number

The relation between the nuclear radius (R) and the mass number (A) is given by R = 1.2 A1/3 fm.

Explanation

The nuclear radius (R) is directly proportional to the cube root of the mass number (A). This means that as the mass number increases, the nuclear radius also increases. The factor of 1.2 is a constant that takes into account the average density of nuclear matter.

Implications

The relation between the nuclear radius and mass number has important implications for nuclear physics, including:

A) Central Density of Nuclei

The relation implies that the central density of nuclei is independent of the mass number. This means that the density of nuclear matter is roughly constant across all nuclei, regardless of their size or number of nucleons.

B) Volume Energy per Nucleon

The relation also implies that the volume energy per nucleon is a constant. This means that the energy required to separate nucleons from the nucleus is roughly the same for all nuclei.

C) Attractive Part of Nuclear Force

The relation does not imply that the attractive part of the nuclear force has a long range. In fact, the nuclear force is known to have a short range, on the order of a few femtometers.

D) Charge Dependence of Nuclear Force

The relation does not imply that the nuclear force is charge dependent. However, the nuclear force is known to have a strong dependence on the spin and isospin of the nucleons involved.

Conclusion

In summary, the relation between the nuclear radius and mass number has important implications for nuclear physics, including the independent central density of nuclei and constant volume energy per nucleon. However, the relation does not imply that the nuclear force has a long range or is charge dependent.
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The relation between the nuclear radius (R) and the mass number (A), g...
(a) density independent of A
(b) volume proportional to no.of nucleons
(c) attractive part of the nuclear force is a short range
(d) nuclear force is charge independent
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The relation between the nuclear radius (R) and the mass number (A), given by R = 1.2 A1/3 fm, implies thata)The central density of nuclei is independent of Ab)The volume energy per nucleon is a constantc)The attractive part of the nuclear force has a long ranged)The nuclear force is charge dependentCorrect answer is option 'A,B'. Can you explain this answer?
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