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Nucleus
Mass-Energy Equivalent
Nuclear Binding Energy
Radioactivity (OLD NCERT)
Types of Decay
Nuclear Energy
  • 1(current)
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  • 3
Q. No.
Given below are two statements: 
Assertion (A): Forces (nuclear) acting between proton-proton \((\mathrm{f}_{\mathrm{pp}})\),  proton-neutron \((\mathrm{f}_{\mathrm{pn}})\) and neutron-neutron \((\mathrm{f}_{\mathrm{nn}})\) are such that \(\mathrm{f}_{\mathrm{pp}}<\mathrm{f}_{\mathrm{pn}}=\mathrm{f}_{\mathrm{nn}}\).
Reason (R): Electrostatic force of repulsion between two protons reduces nuclear forces between them.
 
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. Both (A) and (R) are False.



 
 
Subtopic:  Nuclear Binding Energy |
 63%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Given below are two statements: 
Assertion (A): The mass of \(\beta\)-particles when they are emitted is higher than the mass of electrons obtained by other means.
Reason (R): \(\beta\)-particles and electrons, both are similar particles.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.



 
Subtopic:  Types of Decay |
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Given below are two statements: 
Assertion (A): Electron capture occurs more than positron emission in a heavy nucleus.
Reason (R): In a heavy nucleus, electrons are relatively close to the nucleus.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.


 
Subtopic:  Types of Decay |
 64%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Given below are two statements: 
Assertion (A): All nuclei are not of the same size.
Reason (R): The size of the nucleus depends on atomic mass.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.


 
Subtopic:  Nucleus |
 78%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Given below are two statements: 
Assertion (A): The ratio of time taken for light emission from an atom to that for the release of nuclear energy in fission is 1:100.
Reason (R): Time taken for the light emission from an atom is of the order of 10-8s.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.


 
 
Subtopic:  Nuclear Energy |
 57%
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Hints
Given below are two statements: 
Assertion (A): 90Sr from radioactive fallout from a nuclear bomb ends up in the bones of human beings through the milk consumed by them. It causes impairment of the production of red blood cells.
Reason (R): The energetic \(\beta\)-particles emitted in the decay of 90Sr damage the bone marrow.
  
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
.
Subtopic:  Types of Decay |
 89%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Given below are two statements: 
Assertion (A): Heavy water is a better moderator than normal water.
Reason (R): Heavy water absorbs neutrons more efficiently than normal water.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.

 
Subtopic:  Nuclear Energy |
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Given below are two statements: 
Assertion (A): The mass of a nucleus can be either less than or more than the sum of the masses of nucleons present in it.
Reason (R): The density of nuclear matter is dependent on the size of the nucleus.
  
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Nucleus |
 62%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Given below are two statements: 
 
Assertion (A): Isotopes of an element can be separated by using a mass spectrometer.
Reason (R): Separation of isotopes is possible because of the difference in electron numbers of isotopes.
  
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Nucleus |
 60%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Given below are two statements: 
Assertion (A): In the process of nuclear fission, the fragments emit two or three neutrons as soon as they are formed and subsequently emit particles.
Reason (R): As the fragments contain an excess of neutrons over protons, emission of neutrons and particles bring their neutron/proton ratio to stable values.
  
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.

 
Subtopic:  Nuclear Energy |
 83%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Select Chapter Topics:
filter
Nucleus
Mass-Energy Equivalent
Nuclear Binding Energy
Radioactivity (OLD NCERT)
Types of Decay
Nuclear Energy
  • 1(current)
  • 2
  • 3
Q. No.

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