- 1(current)
Q. No.You are given that mass of \({ }_a^7 \mathrm{Li}=7.0160 ~\text{u}\) Mass of \({ }_2^4 \mathrm{He}=4.0026 ~\text{u}\) and Mass of \({ }_1^1 \mathrm{H}=1.0079 ~\text{u}\)
When \(20~\text{g}\) of \({ }_a^7 \mathrm{Li}\) is converted into \({ }_2^4 \mathrm{He}\) By proton capture, the energy liberated, (in kWh), is:
[Mass of nucleon = \(1~\text{GeV/c}^2\)]
1. \( 1.33 \times 10^6 \)
2. \( 8 \times 10^6 \)
3. \( 6.82 \times 10^5 \)
4. \( 4.5 \times 10^5 \)
Subtopic: Nuclear Energy |
50%
Level 3: 35%-60%
JEE
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The average energy released per fission for the nucleus of \({ }_{92}^{235} \mathrm{U}\) is \(190\) MeV. When all the atoms of \(47\) g pure \({ }_{92}^{235} \mathrm{U}\) undergo fission process, the energy released is \(\alpha \times 10^{23}\) MeV. The value of \(\alpha\) is:
(Avogadro Number \(= 6\times 10^{23}\) per mole)
1. \(220\)
2. \(228\)
3. \(210\)
4. \(230\)
(Avogadro Number \(= 6\times 10^{23}\) per mole)
1. \(220\)
2. \(228\)
3. \(210\)
4. \(230\)
Subtopic: Nuclear Energy |
Level 4: Below 35%
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Choose the correct statements:
| \(\mathrm{(A)}\) | The angular momentum of orbiting electrons is the integral multiplication of \(h\) |
| \(\mathrm{(B)}\) | The nuclear force does not follow the inverse square law. |
| \(\mathrm{(C)}\) | The nuclear force is dependent on the spin quantum number. |
| \(\mathrm{(D)}\) | The nuclear force is independent of the nature of nucleons. |
| \(\mathrm{(E)}\) | The stability of the nucleus depends upon the packing fraction. |
| 1. | \(\mathrm{A, B, C, D}\) are correct | 2. | \(\mathrm{A, B, C, E}\) are correct |
| 3. | \(\mathrm{A, C, D, E}\) are correct | 4. | \(\mathrm{B, C, D, E}\) are correct |
Subtopic: Nuclear Energy |
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