CBSE Class 11 Physics Gravitation Exam Notes

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Study Material for Class 11 Physics Gravitation

Class 11 Physics students should refer to the following Pdf for Gravitation in Class 11. These notes and test paper with questions and answers for Class 11 Physics will be very useful for exams and help you to score good marks

Class 11 Physics Gravitation

NEWTON’S LAW OF GRAVITATION

It sates that the gravitational force of attraction F betwen two point masses m1 and m2 is directly proportional to the product of their masses and is inversely proportional to the square of the distance r between the point masses.

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where G is a constant and is called as Universal Gravitational Constant. G = 6.67 × 10—11 Nm2/kg2 It is a central force, which is always acting towards the line joing the masses

GRAVITATIONAL INTENSITY
Gravitational field Intensity: I, is defined as the force experienced by a unit mass placed at a distance r when placed in a gravitational field produced due to mass M.
I = GM/r 2

Gravitational field intensity due to spherical shell

Case-I : Inside the shell i.e. (r < R) There is a point P, which in at a distance r form in centre.E = 0
Case-II: At a point on the outer surface of the shell E = − GM/R2 r where r is unit vector along radius away from centre

class_12_physics_useful_050

Case-III: At a point outside the shell E =-GMr/r2

class_12_physics_useful_051

Gravitational field due to solid sphere

Case-I: At a point P inside the solid sphere E = − G m/ R3 rr

class_12_physics_useful_052

Case-II: At a point on the surface of the solid sphere E = − Gm/ R2 r
Case-III: At a point outside the solid sphere E = -GM/ r2r



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Graphically it can be represented as,

GRAVITATIONAL POTENTIAL
V, at a point at a distance r in the gravitational field due to mass M is the work done in taking a unit mass from this point to infinity against force of attraction.
V = −GM/r

GRAVITATING POTENTIAL DUE TO A SPHERICAL SHELL

class_12_physics_useful_054

Case-I: At a point inside the shell
V = − GM/R

Case-II: At a point on the surface
V = − GM/R

Case-III: At a point outside the surface
V = − GM/r

Graphically, it can be represented as 

 

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CBSE Class 11 Physics Gravitation Study Material

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Study Material for Physics CBSE Class 11 Gravitation

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Gravitation Study Material Physics CBSE Class 11

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Gravitation CBSE Class 11 Study Material Physics

Regular Study Material reading helps to gain more comprehensive understanding of Gravitation concepts. Study Material play an important role in developing understanding of Gravitation in CBSE Class 11. Students can download and save or print all the Study Material, printable assignments, practice sheets of the above chapter in Class 11 Physics in Pdf format from studiestoday. You can print or read them online on your computer or mobile or any other device. After solving these you should also refer to Class 11 Physics MCQ Test for the same chapter

CBSE Study Material Physics Class 11 Gravitation

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