Is nuclear force short range or long range ?
Obtain approximately the ratio of the nuclear radii of the gold isotope $^{197}_{79} Au$ and the silver isotope $^{107}_{47} Ag$ .
Mention the total charge of electron in the atom.
The mass number of $He$ is $4$ and that for sulphur is $32.$ The radius of sulphur nucleus is larger than that of helium, by times
What kind of a force does neutron-neutron ?
Show that the volume of nucleus is proportional to its atomic mass number.
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