The energy required in \(\mathrm{MeV} / \mathrm{c}^2\) to separate \({ }_8^{16} \mathrm{O}\) into its constituents is:
(Given mass defect for \({ }_8^{16} \mathrm{O}=0.13691 \mathrm{u}\))
1. \(127.5\)
2. \(120.0\)
3. \(222.0\)
4. \(119.0\)

A nuclear reaction is given by

${}_{\mathrm{Z}}{\mathrm{X}}^{\mathrm{A}}{\to }_{\mathrm{Z}+1}{\mathrm{Y}}^{\mathrm{A}}{+}_{-1}{\mathrm{e}}^0+\overline{\mathrm{v}}$

represents:

1. β-decay

2. γ-decay

3. fusion

4. fission

The mass number of a nucleus is:

The mass of a proton is 1.0073 u and that of a neutron is 1.0087 u (u = atomic mass unit). The binding energy of ${}_2{}^4\mathrm{He}$ is: (Given: helium nucleus mass ≈ 4.0015 u)

Which of the following rays are not electromagnetic waves?

1. X-rays

2. γ-rays

3. β-rays

4. Heat rays

Which of the following are suitable for the fusion process?

A nucleus represented by the symbol ${}_{\mathrm{Z}}{}^{\mathrm{A}}\mathrm{X}$ has:

If in a nuclear fusion process. the masses of the fusing nuclei be \(m_1\) and \(m_2\) and the mass of the resultant nucleus be \(m_3,\) then:

For the nuclear reaction:

${}_{92}U_{235}$ $+$ ${}_{0}n_1$ $\to$ ${}_{56}B{a}^{144}$ $$ $+$ $...$ $$ $+$ $3_0{n}^1$

The blank space can be filled by:

1. ${}_{26}K{r}^{89}$

2.  ${}_{36}K{r}^{89}$

3. ${}_{26}S{r}^{90}$

4.  ${}_{38}S{r}^{89}$

For the given reaction, the particle \(X\) is:
\({ }_6^{11} \mathrm{C}\rightarrow { }_5^{11}\mathrm{B}+\beta^{+}+X\)
1. neutron
2. anti neutrino
3. neutrino
4. proton