MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 8 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. |
Calculate the Zero-point energy for a particle in an infinite potential well for an electron confined to a 1 nm atom. |
| A. | 3.9 X 10<sup>-29</sup> J |
| B. | 4.9 X 10<sup>-29</sup> J |
| C. | 5.9 X 10<sup>-29</sup> J |
| D. | 6.9 X 10<sup>-29</sup> J |
| Answer» D. 6.9 X 10<sup>-29</sup> J | |
| 2. |
Particle in a box can never be at rest. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
The Eigen value of a particle in a box is ___________ |
| A. | L/2 |
| B. | 2/L |
| C. | ( sqrt{L/2} ) |
| D. | ( sqrt{2/L} ) |
| Answer» E. | |
| 4. |
For a particle inside a box, the potential is maximum at x = ___________ |
| A. | L |
| B. | 2L |
| C. | L/2 |
| D. | 3L |
| Answer» B. 2L | |
| 5. |
The Energy of the particle is proportional to __________ |
| A. | n |
| B. | n<sup>-1</sup> |
| C. | n<sup>2</sup> |
| D. | n<sup>-2</sup> |
| Answer» D. n<sup>-2</sup> | |
| 6. |
The particle loses energy when it collides with the wall. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
The wave function of the particle lies in which region? |
| A. | x > 0 |
| B. | x < 0 |
| C. | 0 < X < L |
| D. | x > L |
| Answer» D. x > L | |
| 8. |
The walls of a particle in a box are supposed to be ____________ |
| A. | Small but infinitely hard |
| B. | Infinitely large but soft |
| C. | Soft and Small |
| D. | Infinitely hard and infinitely large |
| Answer» E. | |