MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Physics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A man is standing on an international space station which is orbiting earth at an altitude 520km with a constant speed 7.6km/s. If the man’s weight is 50kg, his acceleration is ___________ |
| A. | 7.6 km/s2 |
| B. | 7.6 m/s2 |
| C. | 8.4 m/s2 |
| D. | 10 m/s2 |
| Answer» D. 10 m/s2 | |
| 2. |
What is Black hole? |
| A. | Super surface of the atmosphere |
| B. | Ozone layer |
| C. | Super dense planetary material |
| D. | A hole on the surface of the earth |
| Answer» D. A hole on the surface of the earth | |
| 3. |
The escape velocity of a body projected vertically upwards from the surface of the earth is 11km/sec. If the body is projected at an angle of 45° with the vertically, the escape velocity will be ___________ |
| A. | 22km/sec |
| B. | 11km/sec |
| C. | 11√2km/sec |
| D. | 11/√2km/sec |
| Answer» C. 11√2km/sec | |
| 4. |
The velocity with which a projectile must be fired so that it escapes the earth’s gravitational field doesn’t depend on ___________ |
| A. | Mass of the earth |
| B. | Mass of the projectile |
| C. | Radius of the orbit |
| D. | Universal gravitational constant |
| Answer» B. Mass of the projectile | |