- 1(current)
Q. No.Which of the following statements are correct regarding orbits and orbitals?
| (a) | An orbit is a circular path where electrons revolve. |
| (b) | An orbital is a 3D space with maximum electron probability (up to 90%). |
| (c) | The maximum electrons in an orbit are 2n2. |
| (d) | Orbitals are always circular in shape. |
| (e) | Orbitals follow the wave nature of electrons and the uncertainty principle. |
Options:
| 1. | a, b, and c | 2. | b, c, and e |
| 3. | a, b,c and e | 4. | a, c, and d |
Subtopic: Â Bohr's Theory |Â Shell & Subshell |
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From NCERT
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The angular momentum of an electron in an orbit of radius \(\mathrm{R}\) in a hydrogen atom is directly proportional to ____.
| 1. | \(\mathrm{R}\) | 2. | \(\dfrac{1}{R}\) |
| 3. | \(\dfrac{1}{\sqrt{R}}\) | 4. | \(\sqrt{R}\) |
Subtopic: Â Bohr's Theory |
From NCERT
JEE
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| Assertion (A): | Angular momentum of the electron in the orbit that has four subshells is \(2h\over\pi\). |
| Reason (R): | Angular momentum of the electron is quantized. |
| 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. | (A) is false but (R) is true. |
Subtopic: Â Bohr's Theory |
From NCERT
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NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital
- 1(current)
Q. No.
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