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Gravitation Physics JEE Chapterwise Analysis, Weightage and Overview

With over 8 questions in the past years, gravitation constantly sees a question every year. With the possible exceptions of a few years, it constantly sees 1 question. It is also an important chapter from the perspective of Electrostatics as there are a lot of similarities in both the chapters and the basic rules that govern the formulas. The various accelerations with altitude, gravitational potential energy and geostationary satellites form questions.

 
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Gravitation

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List of important topics in Gravitation JEE

  • The universal law of gravitation
  • Kepler’s law of planetary motion

Gravitation JEE Syllabus

  • The universal law of gravitation, Acceleration due to gravity and its variation with altitude and depth, Kepler’s law of planetary motion, Gravitational potential energy; gravitational potential, Escape velocity, Orbital velocity of a satellite, Geostationary satellites

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Gravitation JEE Notes

 
Gravitation Download

Gravitation JEE Test Series 2022,2023,2024

List of FREE Tests  
Paper set 1 Download Questions Download Solutions

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Q.

Let  and  denote the gravitational potential and gravitational field, respectively, at a point due to certain uniform mass distribution described in four different situations of Column I. Assume the gravitational potential at infinity to be zero. The values of  and  are given in Column II. Match the statement in column I with the results in Column II       

Column-I                                Column- II

At the centre of thin spherical shell    

At the centre of solid sphere      

A solid sphere has a non-concentric spherical cavity. At the centre of the spherical cavity                                 

At the centre of the joining two point masses of equal magnitude                 

Q.

Imagine a new planet having the same density as that of the earth but it is 3 times bigger than the earth is size. If the acceleration due to gravity on the surface of the earth is g and that on the new planet is, then what is the value of?   

Q.

 A particle of mass  is subjected to an attraction central force of magnitude  being a constant. If at the instant when the particle is at an extreme position in its closed orbit, at a distance  from the centre of force, its speed is, if the distance of other extreme position is '' . Find   

Q.

The density of a newly discovered planet is twice that of the earth. The acceleration due to gravity at the surface of the planet is equal to that at the surface of the earth. If the radius of the earth is  and the radius of the planet is ''. Then what is the value of ?   

Q. Gravitation?

Gravitation