- 1(current)
Q. No.The correct products of the reaction \({ }_{92}^{235} \mathrm{U}+{ }_0^1 n \longrightarrow \) : are
| 1. | \({ }_{56}^{141} \mathrm{Ba}+{ }_{36}^{92} \mathrm{Kr}+3{ }_0^1 \mathrm{n} \) | 2. | \({ }_{56}^{141} \mathrm{Ba}+{ }_{36}^{92} \mathrm{Kr}+4{ }_0^1 \mathrm{n} \) |
| 3. | \({ }_{10}^{20} \mathrm{Ne}+{ }_{51}^{122} \mathrm{Sb}+3{ }_0^1 \mathrm{n} \) | 4. | \({ }_{10}^{20} \mathrm{Ne}+{ }_{51}^{122} \mathrm{Sb}+4{ }_0^1 \mathrm{n} \) |
Subtopic: Â Mass-Energy Equivalent |
 92%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
In a nuclear reaction, \(2~\text{amu}\) of mass is converted into energy. According to Einstein's mass-energy relationship, the energy released is:
| 1. | \(1863~\text{J}\) | 2. | \(931.5~\text{MeV}\) |
| 3. | \(1863~\text{MeV}\) | 4. | \(931.5~\text{J}\) |
Subtopic: Â Mass-Energy Equivalent |
 83%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
The energy equivalent of \(2~\text g\) of substance is:
(the velocity of light \(c=3\times10^8~\text{m/s}\) )
1. \(1.8\times 10^9 ~\text J\)
2. \(1.8\times 10^{14} ~\text J\)
3. \(1.8\times 10^{-15} ~\text J\)
4. \(1.8\times 10^{17} ~\text J\)
(the velocity of light \(c=3\times10^8~\text{m/s}\) )
1. \(1.8\times 10^9 ~\text J\)
2. \(1.8\times 10^{14} ~\text J\)
3. \(1.8\times 10^{-15} ~\text J\)
4. \(1.8\times 10^{17} ~\text J\)
Subtopic: Â Mass-Energy Equivalent |
 82%
Level 1: 80%+
Hints
In a nuclear fusion reaction, if the mass defect is \(0.25\%,\) the energy released during the fusion of \(1~\text{kg}\) of mass is:
1. \(22.5\times 10^{11}\) J
2. \(28\times 10^{12}\) J
3. \(22.5\times 10^{13}\) J
4. \(28\times 10^{14}\) J
1. \(22.5\times 10^{11}\) J
2. \(28\times 10^{12}\) J
3. \(22.5\times 10^{13}\) J
4. \(28\times 10^{14}\) J
Subtopic: Â Mass-Energy Equivalent |
 78%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
During a nuclear reaction, if the mass defect is \(0.4\%,\) how much energy will be released when \(2~\text{kg}\) of mass undergoes fusion?
| 1. | \(72 \times 10^5 ~\text{J}\) | 2. | \(72 \times 10^9 ~\text{J}\) |
| 3. | \(72 \times 10^{11}~\text{J}\) | 4. | \(72 \times 10^{13} ~\text{J}\) |
Subtopic: Â Mass-Energy Equivalent |
 77%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
- 1(current)
Q. No.
© 2026 GoodEd Technologies Pvt. Ltd.