Chapter 12 – Gravitation
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For a satellite moving in an orbit around the earth, the ratio of kinetic energy to potential energy is
29
Aug
For a satellite moving in an orbit around the earth, the ratio of kinetic energy to potential energy is For a satellite moving in an orbit around the earth the ratio of kinetic energy to potential energy is August 29, 2020 Category: Chapter 12 - Gravitation , NEET Last 32 Years Solved 1988 - 2019 [...]
Two satellites of earth, S1 and S2, are moving in the same orbit. The mass of S1 is four times the mass of S2. Which of the following statements is true?
29
Aug
Two satellites of earth, S1 and S2, are moving in the same orbit. The mass of S1 is four times the mass of S2. Which of the following statements is true? are moving in the same orbit. The mass of S1 is four times the mass of S2. Which of the following statements is true? [...]
The radii of circular orbits of two satellites A and B of the earth are 4 R and R, respectively. if the speed of satellite A is 3 v, then the speed of satellite B will be:
29
Aug
The radii of circular orbits of two satellites A and B of the earth are 4 R and R, respectively. if the speed of satellite A is 3 v, then the speed of satellite B will be: respectively. if the speed of satellite A is 3 v The radii of circular orbits of two satellites [...]
A geostationary satellite is orbiting the earth at a height of 5 R above the surface of the earth. R being the radius of the earth.The time period of another satellite in hours at a height 2 R form the surface of the earth is
29
Aug
A geostationary satellite is orbiting the earth at a height of 5 R above the surface of the earth. R being the radius of the earth.The time period of another satellite in hours at a height 2 R form the surface of the earth is A satellite S is moving in an elliptical orbit around [...]
A satellite S is moving in an elliptical orbit around the earth. The mass of the satellite is very small compared to the mass of the earth. Then,
29
Aug
A satellite S is moving in an elliptical orbit around the earth. The mass of the satellite is very small compared to the mass of the earth. Then, A satellite S is moving in an elliptical orbit around the earth. The mass of the satellite is very small compared to the mass of the earth. [...]
A remote – sensing satellite of earth revolves in a circular orbit at a height of 0.25 × 10^6 m above the surface of earth. If earth’s radius is 6.38 × 10^6 m and g = 9.8ms^−2, then the orbital speed of the satellite is:
29
Aug
A remote – sensing satellite of earth revolves in a circular orbit at a height of 0.25 × 10^6 m above the surface of earth. If earth’s radius is 6.38 × 10^6 m and g = 9.8ms^−2, then the orbital speed of the satellite is: A remote - sensing satellite of earth revolves in a [...]
A particle of mass M is situated at the centre of spherical shell of same mass and radius a. The gravitational potential at a point situated at a/2 distance from the centre, will be
29
Aug
A particle of mass M is situated at the centre of spherical shell of same mass and radius a. The gravitational potential at a point situated at a/2 distance from the centre, will be A particle of mass M is situated at the centre of spherical shell of same mass and radius a. The gravitational [...]
The work done to raise a mass m from the surface of the earth to a height h, which is equal to the radius of the earth, is :
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Aug
The work done to raise a mass m from the surface of the earth to a height h, which is equal to the radius of the earth, is : is The work done to raise a mass m from the surface of the earth to a height h which is equal to the radius of [...]
Infinite number of bodies, each of mass 2 kg are situated on x-axis at distance 1m, 2m, 4m, 8m, respectively, from the origin. The resulting gravitational potential due to this system at the origin will be.
29
Aug
Infinite number of bodies, each of mass 2 kg are situated on x-axis at distance 1m, 2m, 4m, 8m, respectively, from the origin. The resulting gravitational potential due to this system at the origin will be. 2m 4m 8m each of mass 2kg are situated on x-axis at distance 1m from the origin. The resulting [...]
A roller coaster is designed such that riders experience “weightlessness” as they go round the top of a hill whose radius of curvature is 20 m. The speed of the car at the top of the hill is between –
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Aug
A roller coaster is designed such that riders experience “weightlessness” as they go round the top of a hill whose radius of curvature is 20 m. The speed of the car at the top of the hill is between – A roller coaster is designed such that riders experience "weightlessness" as they go round the [...]