Curie is a unit of

The constituents of atomic nuclei are believed to be

Solar energy is due to 

The mass density of a nucleus varies with mass number A as 

The binding energy  per nucleon is maximum in  case of

<p>The nucleus ₆C¹² absorbs an energetic neutron and emits a beta particle (&nbsp;β ). &nbsp;The resulting nucleus is</p>

The average binding energy of a nucleon inside an atomic nucleus is about 

The nucleus ₄₈Cd¹¹⁵, after two successive β-decay will give

In the nucleus of ₁₁Na²³, the number of protons, neutrons and electrons are

A radioactive element has half-life period 800 yr. After 6400 yr what amount will remain?