If the density of gold nucleus is X, then the density of silver nucleus will be:

1.  2X

2. X3

3.  4X

4.  X 

Subtopic:  Nucleus |
 82%
From NCERT
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The volume (V) of a nucleus is related to its mass (M) as:

1.  V  M

2.  V  1M

3.  V  M3

4.  V  1M3

Subtopic:  Nucleus |
 77%
From NCERT
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The stable nucleus that has a radius half of the radius of Fe56 is:

1. Li7 

2. Na21

3. S16

4. Ca40

Subtopic:  Nucleus |
 67%
From NCERT
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The energy equivalent of one atomic mass unit is:

1. 1.6×10-19 J 

2. 6.02×1023 J

3. 931 MeV 

4. 9.31 MeV

Subtopic:  Mass-Energy Equivalent |
 82%
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 MeV
1.002  1.004   1.001  1.003
amu     amu     amu   amu

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 |
 75%
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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

Subtopic:  Mass-Energy Equivalent |
 63%
From NCERT
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The energy required in \(\mathrm{MeV} / \mathrm{c}^2\) to separate \({ }_8^{16} \mathrm{O}\) into its constituents is:
(Given mass defect for \({ }_8^{16} \mathrm{O}=0.13691 \mathrm{u}\))
1. \(127.5\)
2. \(120.0\)
3. \(222.0\)
4. \(119.0\)

Subtopic:  Mass-Energy Equivalent |
 67%
From NCERT
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The energy equivalent of \(0.5\) g of a substance is:
1. \(4.5\times10^{13}\) J
2. \(1.5\times10^{13}\) J
3. \(0.5\times10^{13}\) J
4. \(4.5\times10^{16}\) J

Subtopic:  Mass-Energy Equivalent |
 60%
From NCERT
NEET - 2020
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A nucleus represented by the symbol XZA 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 |
 90%
From NCERT
AIPMT - 2004
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Which of the following pairs of nuclei are isotones?

1. Se3474, Ca3171          

2. Mo4292, Zr4092

3. Sr3881, Sr3886             

4. Ca2040, S1632

Subtopic:  Nuclear Binding Energy |
 86%
From NCERT
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