NCERT Solutions for Class 11 Physics Chapter 8
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Chapter 8, Gravitation, NCERT Grade 11 Physics CBSE belongs to the last unit of Physics Part I i.e. Unit VI, Gravitation. We know all objects have a tendency to get attracted towards the earth. Students are thus, aware of the basic concept of gravity, how it got invented and its effects. However, Chapter 8 of NCERT Grade 11 Physics CBSE takes the students to further into the depths of the concept of Gravitation. In this chapter, students will get hold of the technical basis of gravitation, Kepler’s laws, Universal law of gravitation, The gravitational constant, Acceleration due to gravity of the earth, Acceleration due to gravity below and above the surface of earth, Gravitational potential energy, Escape speed, Earth satellites, Energy of an orbiting satellite, Geostationary and polar satellites and Weightlessness.
Wonderful phenomena such as satellite functioning, space technology and weightlessness will be learnt in this chapter with the help of illustrations. Besides, calculations based on the concept of gravitation, laws and fundamental units will further help the students to learn about the concept. In the chapter, Gravitation, students will also learn the ancient and modern concept of gravitation, how was it perceived then and now, uses of gravitational force and how has science overcome it and reached the space. This chapter is a part of Unit VI, Gravitation of NCERT Grade 11 Physics CBSE and holds a weightage of 17 marks in the final examination along with Unit IV and Unit V.
Get 100 percent accurate NCERT Solutions for Class 11 Physics Chapter 8 (Gravitation) solved by expert Physics teachers. We provide solutions for questions given in Class 11 Physics text-book as per CBSE Board guidelines from the latest NCERT book for Class 11 Physics. The topics and sub-topics in Chapter 8 Gravitation are given below.
Ex 8.1 - Introduction
Ex 8.2 - Kepler’s laws
Ex 8.3 - Universal law of gravitation
Ex 8.4 - The gravitational constant
Ex 8.5 - Acceleration due to gravity of the earth
Ex 8.6 - Acceleration due to gravity below and above the surface of earth
Ex 8.7 - Gravitational potential energy
Ex 8.8 - Escape speed
Ex 8.9 - Earth satellites
Ex 8.10 - Energy of an orbiting satellite
Ex 8.11 - Geostationary and polar satellites
Ex 8.12 - Weightlessness.
We cover all exercises in the chapter given below:-
Chapter 8 - 25 Questions with Solutions.
Other than given exercises, you should also practice all the solved examples given in the book to clear your concepts on Gravitation. Download the free PDF of Chapter 8 Gravitation and take the print out to keep it handy for your exam preparation.