Assertion (A): | \(\beta^-\) particles are similar. | Photoelectrons and
Reason (R): | \(\beta^-\) particles possess exactly the same kinetic energy as that of photoelectrons. |
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. |
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. |
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. |
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. |
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 342357
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 342357
Assertion (A): | \(\alpha\)-particles depend on the atomic number of both the incident particle and the target scattered. | The scattering of
Reason (R): | The atomic number represents the Colombian force of repulsion. |
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. |
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. |
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. |
Assertion (A): | Heavy water is preferred over ordinary water as a moderator in reactors. |
Reason (R): | Heavy water, used for slowing down the neutrons, has a lesser absorption probability of neutrons than ordinary 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. |
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. |