The energy required in \(\text{MeV/c}^2 \) to separate \({ }_8^{16} \mathrm{O}\) into its constituents is:
(Given: mass defect for \({ }_8^{16} \mathrm{O}=0.13691~ \text{amu}\))
1. | \(127.5\) | 2. | \(120.0\) |
3. | \(222.0\) | 4. | \(119.0\) |
The energy equivalent of \(0.5~\text g\) of a substance is:
1. \(4.5\times10^{13}~\text J\)
2. \(1.5\times10^{13}~\text J\)
3. \(0.5\times10^{13}~\text J\)
4. \(4.5\times10^{16}~\text J\)
1. | \(Z\) protons and \(A-Z\) neutrons |
2. | \(Z\) protons and \(A\) neutrons |
3. | \(A\) protons and \(Z-A\) neutrons |
4. | \(Z\) neutrons and \(A-Z\) protons |
1. | \({}_{34}^{74}\mathrm{Se}, {}_{31}^{71}\mathrm{Ca}\) | 2. | \({}_{42}^{92}\mathrm{Mo}, {}_{40}^{92}\mathrm{Zr}\) |
3. | \({}_{38}^{81}\mathrm{Sr}, {}_{38}^{86}\mathrm{Sr}\) | 4. | \({}_{20}^{40}\mathrm{Ca}, {}_{16}^{32}\mathrm{S}\) |