MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Exam Questions Papers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In an homogeneous dielectric subjected to an electric field E, the dipole moment per unit volume is 0( r - 1) E. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
A rectangular waveguide, in dominant TE mode, has dimensions 10 cm x 15 cm. The cut off frequency is |
| A. | 10 GHz |
| B. | 1 GH |
| C. | C. |
| D. | z |
| E. | 25 GH |
| Answer» C. C. | |
| 3. |
In body centred cubic structure, comers and centre of the cube are occupied by identical atoms |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
If n denotes principal quantum number, the angular quantum number l = 0, 1... (n - 1). |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
In atomic physics, a state with l = 0 is called p state. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
0 has no other physical meaning than that of a fundamental conversion factor. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
If B, H and M denote flux density, field intensity and magnetisation, B = 0 (H + M). |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
In an hydrogen atom, an electron moves in the field of a proton. The stability of orbit requires equilibrium between coulomb's force and centrifugal force |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
An electron for which l = 0 has zero orbital magnetic dipole moment. |
| A. | True |
| B. | False |
| Answer» B. False | |