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Class 11 Physics Practice Test: Gravitation - Energy of an Orbiting Satellite
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Class 11 Physics Practice Test: Gravitation - Energy of an Orbiting Satellite
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12 Questions

1. If the kinetic energy of a satellite is halved, its orbital radius becomes _____
2. The figure shows the variation of energy with the orbital radius “r” of a satellite around a spherical planet.
3. A satellite of mass “m” orbits a planet “P” in an elliptical orbit. The satellite is then transferred to another circular orbit of radius “r” as shown in the figure. Which of the following hold true in this scenario?
4. For a satellite with an elliptical orbit and not a circular orbit, the kinetic energy varies with time.
5. Assume that a satellite executes perfectly circular orbits around a perfectly circular sphere. The work done by the satellite in 1 complete revolution is _____
6. For a satellite executing an elliptical orbit around a planet, its minimum potential energy is at the perigee.
7. 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”?
8. 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.
9. The figure shows the variation of energy with the orbital radius “r” of a satellite around a spherical planet.
10. 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?
11. For a satellite with an elliptical orbit and not a circular orbit, the potential energy varies with time.
12. 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”?

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