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Poll

lallan20

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

The distance of two planets from the sun are 10¹³ m and 10¹² m respectively. The ratio of time periods of the planets is

Time periods refer to the duration a celestial body takes to complete one full orbit or cycle, depending on gravitational forces. Class 11 Physics Gravitation CBSE EXAM 2024-25

Poll

lallan20

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

The period of revolution of planet A around the sun is 8 times that of B. The distance of A from the sun is how many times greater than that of B from the sun?

The revolution of a planet is its orbital motion around a star, influenced by gravitational forces and following elliptical paths. Class 11 physics Gravitation CBSE Exam 2024-25

Poll

bittu45

Asked: December 24, 2024In: Class-11-Physics

A ball is dropped from a spacecraft revolving around the earth at a height of 120 km. What will happen to the ball?

A spacecraft is a vehicle designed for travel in space, used for exploration, research, communication, and transportation of payloads. Class 11 Physics Gravitation CBSE EXAM 2024-25

Poll

bittu45

Asked: December 24, 2024In: Class-11-Physics

The radius of earth is about 6400 km and that of mars is 3200 km. The mass of earth is about 10 times mass of mars. An object weighs 200 N on the surface of earth. Its weight on the surface of mars will be

The mass of Earth is approximately 5.97 x 10²⁴ kilograms, influencing its gravitational force and effects on nearby objects. Class 11 Physics Gravitation CBSE EXAM 2024-25

Poll

bittu45

Asked: December 24, 2024In: Class-11-Physics

A body of weight 72 N moves from the surface of earth at a height half of the radius of earth, then gravitational force exerted on it will be

Gravitational force exerted is the attraction between two masses, determined by their masses and the distance separating their centers. Class 11 Physics Gravitation CBSE EXAM 2024-25

Poll

bittu45

Asked: December 24, 2024In: Class-11-Physics

The acceleration due to gravity on the planet A is 9 times the acceleration due to gravity on planet B. A man jumps to a height of 2 m on the surface of A. What is the height of jump by the same person on the planet B?

Acceleration due to gravity is the rate at which objects accelerate toward the Earth, approximately 9.81 m/s² near the surface. Class 11 Physics Gravitation CBSE EXAM 2024-25

Poll

bittu45

Asked: December 24, 2024In: Class-11-Physics

If the gravitational force between two objects were proportional to 1/R (and not as 1/R²), where R is the distance between them, then a particle in a circular path (under such a force) would have its orbital speed v, proportional to

Proportional refers to a relationship where one quantity changes in relation to another, maintaining a constant ratio between the two. Class 11 Physics Gravitation CBSE EXAM 2024-25

Poll

bittu45

Asked: December 24, 2024In: Class-11-Physics

Two particles of equal mass go around a circle of radius R under the action of their mutual gravitational attraction. The speed v of each particle is

Mutual gravitational attraction is the force between two masses, pulling them toward each other based on their mass and distance. Class 11 Physics Gravitation CBSE EXAM 2024-25

Poll

bittu45

Asked: December 24, 2024In: Class-11-Physics

Two spheres of masses m and M are situated in air and the gravitational force between them is F. The space around the masses is now filled with a liquid of specific gravity 3. The gravitational force will now be

Gravitational force is the attractive force between two masses, proportional to their masses and inversely proportional to the square of distance Class 11 Physics Gravitation CBSE EXAM 2024-25

Poll

tonny34

Asked: December 23, 2024In: Class-11-Physics

Knowing that mass of moon M/81 (where M is the mass if earth), find the distance of the point, where gravitational field due to earth and moon cancel each other. Given that the distance between the earth and moon is 60 R, where is the radius of earth.

Mass is a measure of the amount of matter in an object, typically expressed in kilograms or grams, and remains constant regardless of location. Class 11 Physics Gravitation CBSE EXAM 2024-25

The distance of two planets from the sun are 10¹³ m and 10¹² m respectively. The ratio of time periods of the planets is

The period of revolution of planet A around the sun is 8 times that of B. The distance of A from the sun is how many times greater than that of B from the sun?

A ball is dropped from a spacecraft revolving around the earth at a height of 120 km. What will happen to the ball?

The radius of earth is about 6400 km and that of mars is 3200 km. The mass of earth is about 10 times mass of mars. An object weighs 200 N on the surface of earth. Its weight on the surface of mars will be

A body of weight 72 N moves from the surface of earth at a height half of the radius of earth, then gravitational force exerted on it will be

The acceleration due to gravity on the planet A is 9 times the acceleration due to gravity on planet B. A man jumps to a height of 2 m on the surface of A. What is the height of jump by the same person on the planet B?

If the gravitational force between two objects were proportional to 1/R (and not as 1/R²), where R is the distance between them, then a particle in a circular path (under such a force) would have its orbital speed v, proportional to

Two particles of equal mass go around a circle of radius R under the action of their mutual gravitational attraction. The speed v of each particle is

Two spheres of masses m and M are situated in air and the gravitational force between them is F. The space around the masses is now filled with a liquid of specific gravity 3. The gravitational force will now be

Knowing that mass of moon M/81 (where M is the mass if earth), find the distance of the point, where gravitational field due to earth and moon cancel each other. Given that the distance between the earth and moon is 60 R, where is the radius of earth.

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