- 1(current)
Q. No.Assertion(A): \(h/\pi\) is the angular momentum of the electron in the second orbit of He+.
Reason(R): Angular momentum of an electron in a subshell is given by \(\sqrt{l(l+1)} \times {h\over 2\pi}\) .
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 and R is false.
4. A and R both are false.
Reason(R): Angular momentum of an electron in a subshell is given by \(\sqrt{l(l+1)} \times {h\over 2\pi}\) .
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 and R is false.
4. A and R both are false.
Subtopic: Bohr's Theory |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| Assertion (A): | Angular momentum of the electron in the orbit which 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. |
From NCERT
Subtopic: Bohr's Theory |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| Assertion (A): | The radius of the second orbit of He+ is equal to that of the first orbit of hydrogen. |
| Reason (R): | The radius of an orbit in hydrogen-like species is directly proportional to n and inversely proportional to Z. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of the (A). |
| 2. | Both (A) and (R) are True and (R) is not the correct explanation of the (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Bohr's Theory |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| Assertion (A): | The angular momentum of an electron in an atom is quantized. |
| Reason (R): | In an atom, only those orbits are permitted in which the angular momentum of the electron is a natural number multiple of h/2π. |
| 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: Bohr's Theory |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| Assertion (A): | Bohr’s orbits are also called stationary states. |
| Reason (R): | Electrons are stationary in an orbit. |
| 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: Bohr's Theory |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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