MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your NDA knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The special technique used in ships to calculate the depth of ocean beds is |
| A. | LASER |
| B. | SONAR |
| C. | sonic boom |
| D. | reverberation |
| Answer» C. sonic boom | |
| 2. |
At the time of short circuit, the current in the circuit |
| A. | vary continuously |
| B. | increases heavily |
| C. | decreases substantially |
| D. | does not change |
| Answer» C. decreases substantially | |
| 3. |
If a body is charged by rubbing it, its weight |
| A. | remains precisely constant |
| B. | increases slightly |
| C. | decreases slightly |
| D. | may increase slightly or may decrease slightl |
| Answer» E. | |
| 4. |
Sound cannot travel though |
| A. | solids |
| B. | liquids |
| C. | gases |
| D. | Vacuum |
| Answer» E. | |
| 5. |
The clouds float in the atmosphere because of their low |
| A. | temperature |
| B. | velocity |
| C. | pressure |
| D. | density |
| Answer» E. | |