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Q. No.If the density of the gold nucleus is X,X, then the density of the silver nucleus will be:
1. 2X2X
2. X3X3
3. 4X4X
4. XX
1. 2X2X
2. X3X3
3. 4X4X
4. XX
Subtopic: Nucleus |
84%
From NCERT
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The volume (V)(V) of a nucleus is related to its mass (M)(M) as:
1. V∝MV∝M
2. V∝1MV∝1M
3. V∝M3V∝M3
4. V∝1M3V∝1M3
1. V∝MV∝M
2. V∝1MV∝1M
3. V∝M3V∝M3
4. V∝1M3V∝1M3
Subtopic: Nucleus |
79%
From NCERT
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The stable nucleus that has a radius half of the radius of Fe56Fe56 is:
1. Li7Li7
2. Na21Na21
3. S16S16
4. Ca40Ca40
1. Li7Li7
2. Na21Na21
3. S16S16
4. Ca40Ca40
Subtopic: Nucleus |
68%
From NCERT
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The energy equivalent of one atomic mass unit is:
1. 1.6×10−19 J1.6×10−19 J
2. 6.02×1023 J6.02×1023 J
3. 931 MeV
4. 9.31 MeV
1. 1.6×10−19 J1.6×10−19 J
2. 6.02×1023 J6.02×1023 J
3. 931 MeV
4. 9.31 MeV
Subtopic: Mass-Energy Equivalent |
83%
From NCERT
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A nuclear reaction along with the masses of the particle taking part in it is as follows;
A + B → C + D + Q MeV1.002 u 1.004 u 1.001 u 1.003 u
The energy Q liberated in the reaction is:
1. 1.234 MeV
2. 0.931 MeV
3. 0.465 MeV
4. 1.862 MeV
A + B → C + D + Q MeV1.002 u 1.004 u 1.001 u 1.003 u
The energy Q liberated in the reaction is:
1. 1.234 MeV
2. 0.931 MeV
3. 0.465 MeV
4. 1.862 MeV
Subtopic: Mass-Energy Equivalent |
77%
From NCERT
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If an electron and a positron annihilate, then the energy released is:
1. 3.2×10−13 J
2. 1.6×10−13 J
3. 4.8×10−13 J
4. 6.4×10−13 J
1. 3.2×10−13 J
2. 1.6×10−13 J
3. 4.8×10−13 J
4. 6.4×10−13 J
Subtopic: Mass-Energy Equivalent |
64%
From NCERT
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The energy required in MeV/c2 to separate 168O into its constituents is:
(Given: mass defect for 168O=0.13691 amu)
| 1. | 127.5 | 2. | 120.0 |
| 3. | 222.0 | 4. | 119.0 |
Subtopic: Mass-Energy Equivalent |
71%
From NCERT
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The energy equivalent of 0.5 g of a substance is:
1. 4.5×1013 J
2. 1.5×1013 J
3. 0.5×1013 J
4. 4.5×1016 J
Subtopic: Mass-Energy Equivalent |
64%
From NCERT
NEET - 2020
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A nucleus represented by the symbol AZX has:
| 1. | Z protons and A−Z neutrons |
| 2. | Z protons and A neutrons |
| 3. | A protons and Z−A neutrons |
| 4. | Z neutrons and A−Z protons |
Subtopic: Nuclear Binding Energy |
91%
From NCERT
AIPMT - 2004
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Which of the following pairs of nuclei are isotones?
| 1. | 7434Se,7131Ca | 2. | 9242Mo,9240Zr |
| 3. | 8138Sr,8638Sr | 4. | 4020Ca,3216S |
Subtopic: Nuclear Binding Energy |
86%
From NCERT
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