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neel43

Asked: December 25, 2024In: Class-11-Physics

The radii of circular orbits of two satellites A and B of the earth are 4R and R, respectively. If the speed of satellite A is 3 V, the speed of satellite B will be

The speed of a satellite depends on its orbital radius, being higher in lower orbits and lower in higher orbits. Class 11 Physics Gravitation CBSE EXAM 2024-25

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lokesh12

Asked: December 25, 2024In: Class-11-Physics

A planet is moving in an elliptical orbit around the sun. If T.V and L stands respectively for its kinetic energy, gravitational potential energy, total energy and magnitude of angular momentum about the centre of force, which of the following is correct?

An elliptical orbit is a closed, oval-shaped trajectory followed by an object around a celestial body, governed by gravitational forces. Class 11 Physics Gravitation CBSE EXAM 2024-25

Poll

lokesh12

Asked: December 25, 2024In: Class-11-Physics

For a planet having mass equal to mass of the earth, the radius is one fourth of radius of the earth. Then escape velocity for this planet will be

Velocity is a vector quantity that describes the speed of an object in a specific direction, indicating its motion over time. Class 11 Physics Gravitation CBSE EXAM 2024-25

Poll

lokesh12

Asked: December 25, 2024In: Class-11-Physics

For a satellite moving in an orbit around the earth, the ratio of kinetic energy to potential energy is

An orbit is the curved path of an object around a celestial body, influenced by gravitational forces and centripetal motion. Class 11 Physics Gravitation CBSE EXAM 2024-25

Poll

lokesh12

Asked: December 25, 2024In: Class-11-Physics

The escape velocity of a body on the surface of the earth is 11.2 km/s. If the earth’s mass increase to twice its present value and radius of the earth becomes half, the escape velocity becomes

The radius of Earth is approximately 6,371 kilometers, measured from the center to the surface, influencing gravity and climate. Class 11 Physics Gravitation CBSE EXAM 2024-25

The radii of circular orbits of two satellites A and B of the earth are 4R and R, respectively. If the speed of satellite A is 3 V, the speed of satellite B will be

A planet is moving in an elliptical orbit around the sun. If T.V and L stands respectively for its kinetic energy, gravitational potential energy, total energy and magnitude of angular momentum about the centre of force, which of the following is correct?

For a planet having mass equal to mass of the earth, the radius is one fourth of radius of the earth. Then escape velocity for this planet will be

For a satellite moving in an orbit around the earth, the ratio of kinetic energy to potential energy is

The escape velocity of a body on the surface of the earth is 11.2 km/s. If the earth’s mass increase to twice its present value and radius of the earth becomes half, the escape velocity becomes

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