MCQOPTIONS
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MCQOPTIONS
This section includes 5 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 de-Broglie wavelength of an electron which has been accelerated from rest on application of potential of 400volts. |
| A. | 0.1653 Amstrong |
| B. | 0.5125 Amstrong |
| C. | 0.6135 Amstrong |
| D. | 0.2514 Amstrong |
| Answer» D. 0.2514 Amstrong | |
| 2. |
Can the diameter of a thread be measure by using a scale? |
| A. | Yes |
| B. | No |
| Answer» B. No | |
| 3. |
An instrument cannot be precise without being accurate. |
| A. | False |
| B. | True |
| Answer» B. True | |
| 4. |
All physical quantities have dimensions. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
How many dimensions of the world are there? |
| A. | 7 |
| B. | 3 |
| C. | 2 |
| D. | 4 |
| Answer» B. 3 | |