Q. No.Graph given below shows the variation of binding energy per nucleon, Ebn as a function of mass number. For nuclei with mass number A such that, 30 < A < 170, Ebn is almost constant because nuclear forces are:
1. Short-ranged
2. Medium-ranged
3. Long-ranged
4. None of the above
Subtopic: Â Nuclear Binding Energy |
 70%
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Graph gives the variation of potential energy of a pair of nucleons as a function of their separation, r. From the graph it can be concluded that the force between nucleons is attractive for distances:
1. Less than ro
2. Greater than ro
3. Less than
4. Less than
Subtopic: Â Nuclear Binding Energy |
 57%
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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): | 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: Â 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): | If a heavy nucleus is split into two medium-sized parts, each of the new nuclei will have more binding energy per nucleon than the original nucleus. |
| Reason (R): | Joining two light nuclei together to give a single nucleus of medium size means more binding energy per nucleon in the new 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: Â Nuclear Binding Energy |
 55%
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): | Energy is released in nuclear fission. |
| Reason (R): | Total binding energy of the fission fragments is larger than the total binding energy of the parent 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: Â Nuclear Binding Energy |
 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): | It is not possible to use 35Cl as fuel for fusion energy. |
| Reason (R): | The binding energy of 35Cl is too small. |
| 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: Â Nuclear Binding 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 binding energy per nucleon, for nuclei with atomic mass number A > 100 decreases with A. |
| Reason (R): | The nuclear forces are weak for heavier nuclei. |
| 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: Â Nuclear Binding 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): | Nuclear forces are spin-dependent. |
| Reason (R): | Nuclear forces are charge independent. |
| 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: Â Nuclear Binding Energy |
 72%
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): | Quarks inside protons and neutrons are found to carry fractional charges of electronic charge but they do not show up in Millikan's oil drop experiment. |
| Reason (R): | Fractional charges may exist in nature but stable charges are still an integral multiple of electronic charge e. |
| 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: Â Nuclear Binding Energy |
 77%
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): | A heavy nucleus is generally unstable. |
| Reason (R): | Nuclear forces are short-range forces while electrostatic force acts on short-range as well as on long-range. |
| 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: Â Nuclear Binding Energy |
 51%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
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NEET 2023 - Target Batch - Aryan Raj Singh
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