Gravitation questions
1239 published questions with worked solutions.
- A satellite is revolving around the earth with a kinetic energy E. The minimum addition of kinetic energy needed to make it...
- A satellite is revolving around the planet. The gravitational force between them varies with R^ -5/2 , where R is the radius of...
- According to Kepler's law, T^2 is proportional to
- A satellite moves round the earth in a circular orbit of radius R making 1 rev/day. A second satellite moving in a circular...
- A satellite of mass m is placed at a distance r from the centre of earth (mass M). The mechanical energy of the satellite is...
- A body is orbiting around earth at a mean radius which is two times as great as the parking (geostationary) orbit of a satellite....
- A geostationary satellite is orbiting the earth at a height 6R above the surface of earth, R being the radius of earth. The time...
- The time period of an earth satellite in circular orbit is independent of **[Jamia Millia Islamia 2007]**
- Rockets are launched in the eastward direction to take advantage of **[MP PET 2010]**
- If suddenly the gravitational force of attraction between earth and a satellite revolving around it becomes zero, then the...
- If the distance between earth and sun becomes four times, then the time period becomes **[BCECE 2008]**
- Satellites A and B are revolving around the orbit of earth. The mass of A is 10 times the mass of B. The ratio of time period (...
- If a new planet is discovered rotating around the sun with the orbital radius double that of earth, then what will be its time...
- According to Kepler's law of planetary motion, if T represents time period and r is orbital radius, then for two planets these...
- The time period of a geostationary satellite at a height 36000 km is 24 h. A spy satellite orbits earth at a height 6400 km. What...
- A satellite is launched into a circular orbit of radius R around the earth. A second satellite is launched into an orbit of...
- Two satellites of earth, S_1 and S_2, are moving in the same orbit. The mass of S_1 is four times the mass of S_2. Which one of...
- An earth satellite is moved from one stable circular orbit to a farther stable circular orbit. Which one of the following...
- When earth moves around the sun, the quantity which remains constant is **[BCECE 2005]**
- Astronaut is in a stable orbit around the earth when he weighs a body of mass 5 kg. What is the reading of the spring balance?...
Other chapters
Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration