Q. No.The energy equivalent of one atomic mass unit is:
1. \(1.6\times 10^{-19}~\text{J}\)
2. \(6.02\times 10^{23}~\text{J}\)
3. \(931~\text{MeV}\)
4. \(9.31~\text{MeV}\)
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
1. \(\mathrm{Li}^7\)
2. \(\mathrm{Na}^{21}\)
3. \(\mathrm{S}^{16}\)
4. \(\mathrm{Ca}^{40}\)
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Which of the following is used as a moderator in nuclear reactors?
1. Plutonium
2. Cadmium
3. Heavy water
4. Uranium
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
1. \(19.2\) MeV
2. \(23.6\) MeV
3. \(26.9\) MeV
4. \(13.9\) MeV
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
\(~~~~A ~~~~+~~~~~ B~~~~~ \rightarrow~~~~C ~~+~~~~ D~~~+~ ~Q~ ~\text{MeV}\\ \small{1.002~\text u~~~~~~~~ 1.004~\text u ~~~~~~~~~~~1.001~\text u~~~~~~1.003~\text u}\)
The energy \(Q\) liberated in the reaction is:
1. \(1.234~\text{MeV}\)
2. \(0.931~\text{MeV}\)
3. \(0.465~\text{MeV}\)
4. \(1.862~\text{MeV}\)
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
if the binding energies of \({}_{1}^{2}\mathrm{H}, {}_{1}^{3}\mathrm{H},\) and \({}_{2}^{4}\mathrm{He}\) are respectively \(a,b,\) and \(c\) (in MeV), then the energy in (MeV) released in this reaction is:
1. \(c+a-b\)
2. \(c-a-b\)
3. \(a+b+c\)
4. \(a+b-c\)
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
| 1. | electron | 2. | positron |
| 3. | proton | 4. | neutron |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
1. \(3.2\times 10^{-13}~\text{J}\)
2. \(1.6\times 10^{-13}~\text{J}\)
3. \(4.8\times 10^{-13}~\text{J}\)
4. \(6.4\times 10^{-13}~\text{J}\)
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
1. \(4\alpha~\text{and}~2\beta\)
2. \(6\alpha~\text{and}~4\beta\)
3. \(8\alpha~\text{and}~24\beta\)
4. \(4\alpha~\text{and}~16\beta\)
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
The Binding energy per nucleon of \(^{7}_{3}\mathrm{Li}\) and \(^{4}_{2}\mathrm{He}\) nucleon are \(5.60~\text{MeV}\) and \(7.06~\text{MeV}\), respectively. In the nuclear reaction \(^{7}_{3}\mathrm{Li} + ^{1}_{1}\mathrm{H} \rightarrow ^{4}_{2}\mathrm{He} + ^{4}_{2}\mathrm{He} +Q\), the value of energy \(Q\) released is:
| 1. | \(19.6~\text{MeV}\) | 2. | \(-2.4~\text{MeV}\) |
| 3. | \(8.4~\text{MeV}\) | 4. | \(17.3~\text{MeV}\) |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
© 2026 GoodEd Technologies Pvt. Ltd.