Composition of Nucleus
NUCLEAR PHYSICS

147513 The binding energy of deuteron $\left({ }_{1}^{2} \mathrm{H}\right)$ is $\mathbf{1 . 1 5}$
$\mathrm{MeV}$ per nucleon and an alpha particle $\left({ }_{2}^{4} \mathrm{H}\right)$ has a binding energy 7. $1 \mathrm{MeV}$ per nucleon. Then in the reaction
${ }_{1}^{2} \mathrm{H}+{ }_{1}^{2} \mathrm{H} \rightarrow{ }_{2}^{4} \mathrm{He}+\mathrm{Q}$
the energy released $Q$ is

1 $5.95 \mathrm{MeV}$
2 $26.1 \mathrm{MeV}$
3 $23.8 \mathrm{MeV}$
4 $28.4 \mathrm{Mev}$
NUCLEAR PHYSICS

147516 In the reaction ${ }_{1}^{2} \mathrm{H}+{ }_{1}^{3} \mathrm{H} \rightarrow{ }_{2}^{4} \mathrm{He}+{ }_{0}^{1} \mathrm{n}$, if the binding energies of ${ }_{1}^{2} \mathrm{H}+{ }_{1}^{3} \mathrm{H}$ and ${ }_{2}^{4} \mathrm{He}$ are respectively $\mathrm{a}, \mathrm{b}$ and $\mathrm{c}$ (in $\mathrm{MeV}$ ), then the energy (in $\mathrm{MeV}$ ) released in this reaction is

1 $\mathrm{c}+\mathrm{a}-\mathrm{b}$
2 $c-a-b$
3 $\mathrm{a}+\mathrm{b}+\mathrm{c}$
4 $a+b-c$
NUCLEAR PHYSICS

147518 The mass of a ${ }_{3}^{7} \mathrm{Li}$ nucleus is $0.042 \mathrm{u}$ less than the sum of the masses of all its nucleons. The binding energy per nucleon of ${ }_{3}^{7} \mathrm{Li}$ nucleus is nearly

1 $46 \mathrm{MeV}$
2 $3.9 \mathrm{MeV}$
3 $5.6 \mathrm{MeV}$
4 $23 \mathrm{MeV}$
NUCLEAR PHYSICS

147520 The mass density of a nucleus varies with mass number $A$ as

1 $\mathrm{A}^{2}$
2 $\mathrm{A}$
3 Constant
4 $\frac{1}{\mathrm{~A}}$
NUCLEAR PHYSICS

147521 The radius of germanium (Ge) nuclei is measured to be twice the radius of ${ }_{4}^{9} \mathrm{Be}$. The number of nucleons in $\mathrm{Ge}$ are

1 73
2 74
3 75
4 72
NUCLEAR PHYSICS

147513 The binding energy of deuteron $\left({ }_{1}^{2} \mathrm{H}\right)$ is $\mathbf{1 . 1 5}$
$\mathrm{MeV}$ per nucleon and an alpha particle $\left({ }_{2}^{4} \mathrm{H}\right)$ has a binding energy 7. $1 \mathrm{MeV}$ per nucleon. Then in the reaction
${ }_{1}^{2} \mathrm{H}+{ }_{1}^{2} \mathrm{H} \rightarrow{ }_{2}^{4} \mathrm{He}+\mathrm{Q}$
the energy released $Q$ is

1 $5.95 \mathrm{MeV}$
2 $26.1 \mathrm{MeV}$
3 $23.8 \mathrm{MeV}$
4 $28.4 \mathrm{Mev}$
NUCLEAR PHYSICS

147516 In the reaction ${ }_{1}^{2} \mathrm{H}+{ }_{1}^{3} \mathrm{H} \rightarrow{ }_{2}^{4} \mathrm{He}+{ }_{0}^{1} \mathrm{n}$, if the binding energies of ${ }_{1}^{2} \mathrm{H}+{ }_{1}^{3} \mathrm{H}$ and ${ }_{2}^{4} \mathrm{He}$ are respectively $\mathrm{a}, \mathrm{b}$ and $\mathrm{c}$ (in $\mathrm{MeV}$ ), then the energy (in $\mathrm{MeV}$ ) released in this reaction is

1 $\mathrm{c}+\mathrm{a}-\mathrm{b}$
2 $c-a-b$
3 $\mathrm{a}+\mathrm{b}+\mathrm{c}$
4 $a+b-c$
NUCLEAR PHYSICS

147518 The mass of a ${ }_{3}^{7} \mathrm{Li}$ nucleus is $0.042 \mathrm{u}$ less than the sum of the masses of all its nucleons. The binding energy per nucleon of ${ }_{3}^{7} \mathrm{Li}$ nucleus is nearly

1 $46 \mathrm{MeV}$
2 $3.9 \mathrm{MeV}$
3 $5.6 \mathrm{MeV}$
4 $23 \mathrm{MeV}$
NUCLEAR PHYSICS

147520 The mass density of a nucleus varies with mass number $A$ as

1 $\mathrm{A}^{2}$
2 $\mathrm{A}$
3 Constant
4 $\frac{1}{\mathrm{~A}}$
NUCLEAR PHYSICS

147521 The radius of germanium (Ge) nuclei is measured to be twice the radius of ${ }_{4}^{9} \mathrm{Be}$. The number of nucleons in $\mathrm{Ge}$ are

1 73
2 74
3 75
4 72
NUCLEAR PHYSICS

147513 The binding energy of deuteron $\left({ }_{1}^{2} \mathrm{H}\right)$ is $\mathbf{1 . 1 5}$
$\mathrm{MeV}$ per nucleon and an alpha particle $\left({ }_{2}^{4} \mathrm{H}\right)$ has a binding energy 7. $1 \mathrm{MeV}$ per nucleon. Then in the reaction
${ }_{1}^{2} \mathrm{H}+{ }_{1}^{2} \mathrm{H} \rightarrow{ }_{2}^{4} \mathrm{He}+\mathrm{Q}$
the energy released $Q$ is

1 $5.95 \mathrm{MeV}$
2 $26.1 \mathrm{MeV}$
3 $23.8 \mathrm{MeV}$
4 $28.4 \mathrm{Mev}$
NUCLEAR PHYSICS

147516 In the reaction ${ }_{1}^{2} \mathrm{H}+{ }_{1}^{3} \mathrm{H} \rightarrow{ }_{2}^{4} \mathrm{He}+{ }_{0}^{1} \mathrm{n}$, if the binding energies of ${ }_{1}^{2} \mathrm{H}+{ }_{1}^{3} \mathrm{H}$ and ${ }_{2}^{4} \mathrm{He}$ are respectively $\mathrm{a}, \mathrm{b}$ and $\mathrm{c}$ (in $\mathrm{MeV}$ ), then the energy (in $\mathrm{MeV}$ ) released in this reaction is

1 $\mathrm{c}+\mathrm{a}-\mathrm{b}$
2 $c-a-b$
3 $\mathrm{a}+\mathrm{b}+\mathrm{c}$
4 $a+b-c$
NUCLEAR PHYSICS

147518 The mass of a ${ }_{3}^{7} \mathrm{Li}$ nucleus is $0.042 \mathrm{u}$ less than the sum of the masses of all its nucleons. The binding energy per nucleon of ${ }_{3}^{7} \mathrm{Li}$ nucleus is nearly

1 $46 \mathrm{MeV}$
2 $3.9 \mathrm{MeV}$
3 $5.6 \mathrm{MeV}$
4 $23 \mathrm{MeV}$
NUCLEAR PHYSICS

147520 The mass density of a nucleus varies with mass number $A$ as

1 $\mathrm{A}^{2}$
2 $\mathrm{A}$
3 Constant
4 $\frac{1}{\mathrm{~A}}$
NUCLEAR PHYSICS

147521 The radius of germanium (Ge) nuclei is measured to be twice the radius of ${ }_{4}^{9} \mathrm{Be}$. The number of nucleons in $\mathrm{Ge}$ are

1 73
2 74
3 75
4 72
NUCLEAR PHYSICS

147513 The binding energy of deuteron $\left({ }_{1}^{2} \mathrm{H}\right)$ is $\mathbf{1 . 1 5}$
$\mathrm{MeV}$ per nucleon and an alpha particle $\left({ }_{2}^{4} \mathrm{H}\right)$ has a binding energy 7. $1 \mathrm{MeV}$ per nucleon. Then in the reaction
${ }_{1}^{2} \mathrm{H}+{ }_{1}^{2} \mathrm{H} \rightarrow{ }_{2}^{4} \mathrm{He}+\mathrm{Q}$
the energy released $Q$ is

1 $5.95 \mathrm{MeV}$
2 $26.1 \mathrm{MeV}$
3 $23.8 \mathrm{MeV}$
4 $28.4 \mathrm{Mev}$
NUCLEAR PHYSICS

147516 In the reaction ${ }_{1}^{2} \mathrm{H}+{ }_{1}^{3} \mathrm{H} \rightarrow{ }_{2}^{4} \mathrm{He}+{ }_{0}^{1} \mathrm{n}$, if the binding energies of ${ }_{1}^{2} \mathrm{H}+{ }_{1}^{3} \mathrm{H}$ and ${ }_{2}^{4} \mathrm{He}$ are respectively $\mathrm{a}, \mathrm{b}$ and $\mathrm{c}$ (in $\mathrm{MeV}$ ), then the energy (in $\mathrm{MeV}$ ) released in this reaction is

1 $\mathrm{c}+\mathrm{a}-\mathrm{b}$
2 $c-a-b$
3 $\mathrm{a}+\mathrm{b}+\mathrm{c}$
4 $a+b-c$
NUCLEAR PHYSICS

147518 The mass of a ${ }_{3}^{7} \mathrm{Li}$ nucleus is $0.042 \mathrm{u}$ less than the sum of the masses of all its nucleons. The binding energy per nucleon of ${ }_{3}^{7} \mathrm{Li}$ nucleus is nearly

1 $46 \mathrm{MeV}$
2 $3.9 \mathrm{MeV}$
3 $5.6 \mathrm{MeV}$
4 $23 \mathrm{MeV}$
NUCLEAR PHYSICS

147520 The mass density of a nucleus varies with mass number $A$ as

1 $\mathrm{A}^{2}$
2 $\mathrm{A}$
3 Constant
4 $\frac{1}{\mathrm{~A}}$
NUCLEAR PHYSICS

147521 The radius of germanium (Ge) nuclei is measured to be twice the radius of ${ }_{4}^{9} \mathrm{Be}$. The number of nucleons in $\mathrm{Ge}$ are

1 73
2 74
3 75
4 72
NUCLEAR PHYSICS

147513 The binding energy of deuteron $\left({ }_{1}^{2} \mathrm{H}\right)$ is $\mathbf{1 . 1 5}$
$\mathrm{MeV}$ per nucleon and an alpha particle $\left({ }_{2}^{4} \mathrm{H}\right)$ has a binding energy 7. $1 \mathrm{MeV}$ per nucleon. Then in the reaction
${ }_{1}^{2} \mathrm{H}+{ }_{1}^{2} \mathrm{H} \rightarrow{ }_{2}^{4} \mathrm{He}+\mathrm{Q}$
the energy released $Q$ is

1 $5.95 \mathrm{MeV}$
2 $26.1 \mathrm{MeV}$
3 $23.8 \mathrm{MeV}$
4 $28.4 \mathrm{Mev}$
NUCLEAR PHYSICS

147516 In the reaction ${ }_{1}^{2} \mathrm{H}+{ }_{1}^{3} \mathrm{H} \rightarrow{ }_{2}^{4} \mathrm{He}+{ }_{0}^{1} \mathrm{n}$, if the binding energies of ${ }_{1}^{2} \mathrm{H}+{ }_{1}^{3} \mathrm{H}$ and ${ }_{2}^{4} \mathrm{He}$ are respectively $\mathrm{a}, \mathrm{b}$ and $\mathrm{c}$ (in $\mathrm{MeV}$ ), then the energy (in $\mathrm{MeV}$ ) released in this reaction is

1 $\mathrm{c}+\mathrm{a}-\mathrm{b}$
2 $c-a-b$
3 $\mathrm{a}+\mathrm{b}+\mathrm{c}$
4 $a+b-c$
NUCLEAR PHYSICS

147518 The mass of a ${ }_{3}^{7} \mathrm{Li}$ nucleus is $0.042 \mathrm{u}$ less than the sum of the masses of all its nucleons. The binding energy per nucleon of ${ }_{3}^{7} \mathrm{Li}$ nucleus is nearly

1 $46 \mathrm{MeV}$
2 $3.9 \mathrm{MeV}$
3 $5.6 \mathrm{MeV}$
4 $23 \mathrm{MeV}$
NUCLEAR PHYSICS

147520 The mass density of a nucleus varies with mass number $A$ as

1 $\mathrm{A}^{2}$
2 $\mathrm{A}$
3 Constant
4 $\frac{1}{\mathrm{~A}}$
NUCLEAR PHYSICS

147521 The radius of germanium (Ge) nuclei is measured to be twice the radius of ${ }_{4}^{9} \mathrm{Be}$. The number of nucleons in $\mathrm{Ge}$ are

1 73
2 74
3 75
4 72