Class 11

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soma09

Asked: December 19, 2024In: Class-11-Physics

A body is orbiting around earth at a mean radius which is two times as greater as the parking orbit of a geostationary satellite, the period of body is

A parking orbit is a temporary orbit used by a spacecraft after launch, allowing it to remain in a stable position while awaiting further maneuvers to reach its final destination. Class 11 Physics Gravitation CBSE EXAM 2024-25

Poll

soma09

Asked: December 19, 2024In: Class-11-Physics

Two satellites A and B have ratio of masses 3 : 1 in circular orbits of radii r and 4r. The ratio of total mechanical energy of A to B is

Mechanical energy is the sum of potential and kinetic energy in a system, representing the energy associated with the motion and position of objects. Class 11 Physics Gravitation CBSE EXAM 2024-25

Poll

soma09

Asked: December 19, 2024In: Class-11-Physics

The time period of a satellite of earth is 5 hours. If the separation between the earth and the satellite is increased to 4 times the previous valiue, the new time period will. become

The time period of a satellite is the duration it takes to complete one full orbit around a celestial body, influenced by its altitude and the mass of the central body. Class 11 Physics Gravitation CBSE EXAM 2024-25

Poll

soma09

Asked: December 19, 2024In: Class-11-Physics

A particle of mass 10 g is kept on the surface of a uniform sphere of mass 100 kg and radius 10 cm. Find the work to be done against the gravitational force between them to take the particle far away from the sphere. You may takr G = 6.67 x 10⁻¹¹ Nm² kg⁻²

The surface of a uniform sphere is the outer area, uniformly curved, with all points equidistant from the center. Class 11 Physics Gravitation CBSE EXAM 2024-25

Poll

tonny34

Asked: December 18, 2024In: Class-11-Physics

If the density of earth is doubled keeping its radius constant, then acceleration due to gravity g is

If Earth’s mass is doubled while keeping its radius constant, gravitational force increases, resulting in stronger gravity on its surface. Class 11 Physics Gravitation CBSE EXAM 2024-25

Category: Class 11

A body is orbiting around earth at a mean radius which is two times as greater as the parking orbit of a geostationary satellite, the period of body is

Two satellites A and B have ratio of masses 3 : 1 in circular orbits of radii r and 4r. The ratio of total mechanical energy of A to B is

The time period of a satellite of earth is 5 hours. If the separation between the earth and the satellite is increased to 4 times the previous valiue, the new time period will. become

A particle of mass 10 g is kept on the surface of a uniform sphere of mass 100 kg and radius 10 cm. Find the work to be done against the gravitational force between them to take the particle far away from the sphere. You may takr G = 6.67 x 10⁻¹¹ Nm² kg⁻²

If the density of earth is doubled keeping its radius constant, then acceleration due to gravity g is

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