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. |
Which of the following can be used in the vibrational analysis of structure? |
| A. | Maser |
| B. | Quarts |
| C. | Electrical waves |
| D. | Laser |
| Answer» E. | |
| 2. |
Which of the following is used in atomic clocks? |
| A. | Laser |
| B. | Quartz |
| C. | Maser |
| D. | Helium |
| Answer» D. Helium | |
| 3. |
DVD uses the laser. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Laser is called as a non-material knife. |
| A. | False |
| B. | True |
| Answer» C. | |
| 5. |
Calculate the number of photons, from green light of mercury ( = 4961 ), required to do one joule of work. |
| A. | 4524.2 10<sup>18</sup>/m<sup>3</sup> |
| B. | 2.4961 10<sup>18</sup>/m<sup>3</sup> |
| C. | 2.4961/m<sup>3</sup> |
| D. | 2.4961/m |
| Answer» C. 2.4961/m<sup>3</sup> | |