Gravitation

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Q JEE-MAIN 2020

The acceleration due to gravity on the earth’s surface at the poles is g and angular velocity of the earth about the axis passing through...

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Q JEE MAIN 2020

Consider two solid spheres of radii $R_1=1 m, R_2=2 m$ and masses $M_1$ and $M_2$, respectively. The gravitational field due to sphere (1) and (2)...

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Q JEE Main 2019

A satellite is moving with a constant speed v in circular orbit around the earth. An object of mass ‘m’ is ejected from the satellite...

JEE Main Physics Medium

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Q JEE MAIN 2019

A spaceship orbits around a planet at a height of 20 km from its surface. Assuming that only gravitational field of the planet acts on...

JEE Main Physics Medium

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Q JEE MAIN 2020

On the x -axis and at a distance x from the origin, the gravitational field due to a mass distribution is given by $...

JEE Main Physics Medium

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Q JEE MAIN 2020

A body is moving in a low circular orbit about a planet of mass M and radius R. The radius of the orbit can be...

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Q JEE MAIN 2019

The energy required to take a satellite to a height ' $h$ ' above Earth surface (radius of Earth $=6.4 \times 10^3 \mathrm{~km}$ ) is...

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Q JEE MAIN 2019

A solid sphere of mass ‘M’ and radius ‘a’ is surrounded by a uniform concentric spherical shell of thickness 2a and mass 2M. The gravitational...

JEE Main Physics Medium

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Q JEE MAIN 2019

The mass and the diameter of a planet are three times the respective values for the Earth. The period of oscillation of a simple pendulum...

JEE Main Physics Hard

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Q JEE MAIN 2020

Planet $A$ has mass $M$ and radius $R$. Planet $B$ has half the mass and half the radius of Planet $A$. If the escape velocities...

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