- 1(current)
Q. No.Which of the following particles, is unstable?
1. Proton
2. Neutron
3. Electron
4. Antineutrino
1. Proton
2. Neutron
3. Electron
4. Antineutrino
From NCERT
Subtopic: Nucleus |
To view explanation, please take trial in the course below.
NEET 2026 - Target Batch - Vital
To view explanation, please take trial in the course below.
NEET 2026 - Target Batch - Vital
Please attempt this question first.
Launched MCQ Practice Books
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe nuclear radius of which of the following nuclei is approximately twice that of deuterium \((_1\mathrm{H}^2)\)?
| 1. | \(_2\mathrm{He}^4\) | 2. | \(_3\mathrm{Li}^8\) |
| 3. | \(_4\mathrm{Be}^8\) | 4. | \(_8\mathrm{O}^{16}\) |
From NCERT
Subtopic: Nucleus |
To view explanation, please take trial in the course below.
NEET 2026 - Target Batch - Vital
To view explanation, please take trial in the course below.
NEET 2026 - Target Batch - Vital
Please attempt this question first.
Launched MCQ Practice Books
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGiven below are two statements:
| Assertion (A): | The size of nuclei of various elements can be measured more accurately by performing Rutherford-type scattering experiments in which fast electrons, instead of \(\alpha-\)particles, bombard the target element. |
| Reason (R): | Higher energy \(\alpha-\)particles begin to get affected by the nuclear forces as they approach closer 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: Nucleus |
Please attempt this question first.
Please attempt this question first.
Please attempt this question first.
Launched MCQ Practice Books
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf a nucleus is divided in the ratio of \(1:2^{1/3},\) what is the ratio of the velocities of the resulting parts?
| 1. | \(2\) | 2. | \(2^{1/3}\) |
| 3. | \(2^{2/3}\) | 4. | \(2^{(-1/3)}\) |
Subtopic: Nucleus |
Please attempt this question first.
Please attempt this question first.
Please attempt this question first.
Launched MCQ Practice Books
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
© 2025 GoodEd Technologies Pvt. Ltd.