Gravitation questions
1239 published questions with worked solutions.
- The distance between Sun and Earth is R. The duration of year if the distance between Sun and Earth becomes 3R will be :
- An object is taken to a height above the surface of earth at a distance 5R/4 from the centre of the earth. Where radius of earth,...
- Two satellites S_ 1 and S_ 2 are revolving in circular orbits around a planet with radius R_ 1 = 3200 km and R_ 2 = 800 km...
- The height of any point P above the surface of earth is equal to diameter of earth. The value of acceleration due to gravity at...
- A body is projected vertically upwards from the surface of earth with a velocity equal to one third of escape velocity. The...
- The percentage decrease in the weight of a rocket, when taken to a height of 32 km above the surface of earth will be: (Radius of...
- Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: If we move...
- If R_E be the radius of Earth, then the ratio between the acceleration due to gravity at a depth 'r' below and height 'r' above...
- The escape velocities of two planets A and B are in the ratio 1 : 2. If the ratio of their radii respectively is 1 : 3, then the...
- Statement I: Acceleration due to gravity is different at different places on the surface of earth. Statement II: Acceleration due...
- If earth has a mass nine times and radius twice to that of a planet P. Then v_e 3 x ms^ -1 will be the minimum velocity required...
- The weight of a body on the surface of the earth is 100 N. The gravitational force on it when taken at a height, from the surface...
- Gravitational acceleration on the surface of a planet is 6 11 g, where g is the gravitational acceleration on the surface of the...
- Two spherical planets P and Q have the same uniform density ρ, masses M_P and M_Q, and surface areas A and 4A, respectively. A...
- Two bodies, each of mass M, are kept fixed with a separation 2L. A particle of mass m is projected from the midpoint of the line...
- A planet of radius R = 1 10 (radius of Earth) has the same mass density as Earth. Scientists dig a well of depth R 5 on it and...
- A bullet is fired vertically upwards with velocity v from the surface of a spherical planet. When it reaches its maximum height,...
- A rocket is launched normal to the surface of the Earth, away from the Sun, along the line joining the Sun and the Earth. The Sun...
- Consider a spherical gaseous cloud of mass density (r) in free space where r is the radial distance from its center. The gaseous...
- The free fall acceleration g increases as one proceeds, at sea level, from the equator toward either pole. The reason is
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