The energy equivalent of one atomic mass unit is:
1.
2.
3. 931 MeV
4. 9.31 MeV
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The stable nucleus that has a radius half of the radius of is:
1.
2.
3.
4.
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Which of the following is used as a moderator in nuclear reactors?
1. Plutonium
2. Cadmium
3. Heavy water
4. Uranium
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The binding energy per nucleon of deuterium and helium atom is 1.1 MeV and 7.0 MeV. If two deuterium nuclei fuse to form a helium atom, the energy released is:
1. 19.2 MeV
2. 23.6 MeV
3. 26.9 MeV
4. 13.9 MeV
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A nuclear reaction along with the masses of the particle taking part in it is as follows;
The energy Q liberated in the reaction is:
1. 1.234 MeV
2. 0.931 MeV
3. 0.465 MeV
4. 1.862 MeV
In the reaction
,
if the binding energies of 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
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In nuclear reaction , \(\mathrm {B}\) denotes:
1. Electron
2. Positron
3. Proton
4. Neutron
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If an electron and a positron annihilate, then the energy released is:
1.
2.
3.
4.
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An atomic nucleus emits several and radiations and finally reduces to . It must have emitted:
1. 4 and 2
2. 6 and 4
3. 8 and 24
4. 4 and 16
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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. \(17.3~\text{MeV}\)
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