MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 6 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. |
If earth loses its gravity, then for a body ___________ |
| A. | A weight becomes zero, but not the mass |
| B. | Mass becomes zero but not weight |
| C. | Neither mass nor weight becomes zero |
| D. | Both mass and weight are zero |
| Answer» B. Mass becomes zero but not weight | |
| 2. |
For a satellite escape velocity from the earth is 11.2 km/s. If a body is to be projected in a direction making an angle 45 to the vertical, then what is the escape velocity? |
| A. | 11.2 2km/s |
| B. | 11.2km/s |
| C. | 11.2 2km/s |
| D. | 11.2/ 2km/s |
| Answer» C. 11.2 2km/s | |
| 3. |
Two spheres of masses m and M are in air and the gravitational force between them is F. The space around the masses is now filled with liquid of specific gravity 3. The gravitational force will now be ___________ |
| A. | 3F |
| B. | F |
| C. | F/3 |
| D. | F/9 |
| Answer» C. F/3 | |
| 4. |
Statement 1- An astronaut experiences weightlessness in a space satellite.
|
| A. | Statement 1 and statement 2 are correct and statement 2 is the correct explanation of statement 1 |
| B. | Statement 1 and statement 2 are correct but statement 2 is not the correct explanation of statement 1 |
| C. | Statement 1 is true but statement 2 is false |
| D. | Both statement 1 and 2 are false |
| Answer» C. Statement 1 is true but statement 2 is false | |
| 5. |
Kepler s second law is based on ___________ |
| A. | Newton s first law |
| B. | Newton s second law |
| C. | Special theory of relativity |
| D. | Conservation of angular momentum |
| Answer» E. | |
| 6. |
A man waves his arm while walking. This is ____________ |
| A. | To keep constant velocity |
| B. | To ease the tension |
| C. | To increase the velocity |
| D. | To balance the effect of earth s gravity |
| Answer» E. | |