MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Physics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A satellite revolves around a planet of radius “Q”. If the angular velocity of the satellite is “w” and the radius of the orbit is “4nQ”, where “n” is an integer, what is the acceleration due to gravity on the surface of the planet? |
| A. | (w2 x (nQ) 3/Q2) |
| B. | 16 (w2 x (nQ) 3/Q2) |
| C. | 64(w2 x (nQ) 3/Q2) |
| D. | 32(w2 x (nQ) 3/Q21) |
| Answer» D. 32(w2 x (nQ) 3/Q21) | |
| 2. |
The radius of a planet is “R” and mass is “M”. A satellite revolves around it in an orbital radius of “r” and an orbital velocity “v”. How would you express the acceleration due to gravity on the surface of the planet? |
| A. | (r3*v/R) |
| B. | (r2*v3/R) |
| C. | (r3*v2/R) |
| D. | (r*v2/R2) |
| Answer» E. | |
| 3. |
If a satellite is orbiting as close to the earth’s surface as possible _____ |
| A. | its speed is maximum |
| B. | its speed is minimum |
| C. | it’s kinetic energy will be minimum |
| D. | it is not possible to quantify its kinetic energy |
| Answer» B. its speed is minimum | |