Particles and their anti-particles have

  • A
    the same masses but opposite spins
  • B
    the same masses but opposite magnetic moments
  • C
    the same masses and same magnetic moments
  • D
    opposite spins and same magnetic moments

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Find the ratio of the radii of the nuclei $_{13}Al^{27}$ and $_{52}Te^{125}$.

The radius of the nucleus of an atom whose mass number is $125$ is:

For a nucleus to be stable,the correct relation between neutron number $N$ and proton number $Z$ is

$A$ nucleus ruptures into two nuclear parts which have their velocity ratio equal to $2 : 1$. What will be the ratio of their nuclear size (nuclear radius)?

$A$ nucleus has mass number $\alpha$ and radius $R_{\alpha}$. Another nucleus has mass number $\beta$ and radius $R_{\beta}$. If $\beta = 8\alpha$, then $R_{\alpha}/R_{\beta}$ is:

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