MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The probability of finding an electron is uniform in every direction is in which orbital? |
| A. | s |
| B. | p |
| C. | d |
| D. | p |
| Answer» B. p | |
| 2. |
Nodes are the plane where the probability of finding an electron is 1. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
The following is the wave function for which orbital? |
| A. | 1s |
| B. | 2s |
| C. | 2p |
| D. | 3s |
| Answer» C. 2p | |
| 4. |
The subshell dz2 has no nodal plane. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
What is the azimuthal quantum number for the following sub shell? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 6. |
Which of the following can be the quantum numbers for an orbital? |
| A. | n = 4, l = 4, m = 3 |
| B. | n = 2, l = 3, m = 1 |
| C. | n = 3, l = 2, m = -1 |
| D. | n = 3, l = 0, m = -3 |
| Answer» D. n = 3, l = 0, m = -3 | |
| 7. |
How many values does the spin quantum number have? |
| A. | 2 |
| B. | 2l |
| C. | 2n |
| D. | 2me |
| Answer» B. 2l | |
| 8. |
The total value of the magnetic quantum number are _______________ |
| A. | 2n |
| B. | 2l |
| C. | 2n + 1 |
| D. | 2l + 1 |
| Answer» E. | |
| 9. |
What is the range of Azimuthal Quantum Number, l? |
| A. | 0 to n |
| B. | 0 to s |
| C. | 0 to n-1 |
| D. | 0 to s-1 |
| Answer» D. 0 to s-1 | |
| 10. |
Which of the following quantum number gives the shape of atomic orbital of sub-shell? |
| A. | n |
| B. | l |
| C. | m |
| D. | s |
| Answer» C. m | |
| 11. |
Which of the following is the correct expression for the orbital angular momentum? |
| A. | \(\sqrt{l+1}\) |
| B. | \(\sqrt{n(l+1)}\) |
| C. | \(\sqrt{l(l+1)}\) |
| D. | \(\sqrt{m(l+1)}\) |
| Answer» D. \(\sqrt{m(l+1)}\) | |
| 12. |
What is the maximum number of electrons in a shell? |
| A. | n |
| B. | 2n |
| C. | n2 |
| D. | 2n2 |
| Answer» E. | |
| 13. |
Which quantum numbers gives the shell to which the electron belongs? |
| A. | n |
| B. | l |
| C. | m |
| D. | s |
| Answer» B. l | |
| 14. |
Quantum Numbers are solutions of _____________ |
| A. | Heisenberg’s Uncertainty Principle |
| B. | Einstein’s mass energy relation |
| C. | Schrodinger’s Wave Equation |
| D. | Hamiltonian Operator |
| Answer» D. Hamiltonian Operator | |