MCQOPTIONS
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MCQOPTIONS
This section includes 4 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 the earth in a circular orbit with a velocity “v”. What is the total energy of the satellite? Let “m” be the mass of the satellite. |
| A. | – (m*v2)/2 |
| B. | (m*v2)/2 |
| C. | (3*m*v2)/2 |
| D. | – (m*v2) |
| Answer» B. (m*v2)/2 | |
| 2. |
A satellite of mass “m” is in a circular orbit of radius 1.5R around the earth of radius R. How much energy is required to move it to an orbit of radius 2R? |
| A. | -(G*M*m)/12R |
| B. | (G*M*m)/12R |
| C. | -(G*M*m)/4R |
| D. | (G*M*m)/4R |
| Answer» B. (G*M*m)/12R | |
| 3. |
What is the total energy possessed by a satellite of mass “m” orbiting above the earth of mass “M” and radius “R” at a height “h”? |
| A. | [(G*M*m)/2*(R+h)] |
| B. | -[(G*M*m)/2*(R+h)] |
| C. | [(G*M*m)/(R+h)] |
| D. | -[(G*M*m)/(R+h)] |
| Answer» C. [(G*M*m)/(R+h)] | |
| 4. |
What is the magnitude of the ratio of KE and PE of a satellite revolving around a planet in a circular orbit of radius “R”? |
| A. | 1:4 |
| B. | 1:2 |
| C. | 2:1 |
| D. | 3:2 |
| Answer» C. 2:1 | |