NCERT Solutions for Class 11 Physics

NCERT Solutions for Class 11 Physics in PDF format are available to download updated for new academic session 2020-2021, solutions of Exercises, Additional Exercises, Supplementary material and NCERT books 2020-2021.

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NCERT Solutions for Class 11 Physics

Class:11
Subject:Physics
Medium:English Medium

NCERT Solutions for Class 11 Physics in PDF

Class 11 Physics NCERT text book solutions are given below. Extra study material covering the whole syllabus divided into 10 units will help the students in revising the complete course. Unit 1 contains the material related to dimension and measurement, Unit 2 is covering Kinematics, Unit 3 covers the newton’s law of motion, similarly the Unit 4Unit 5,  Unit 6Unit 7Unit 8Unit 9 and Unit 10 covers the entire curriculum.











WHAT IS PHYSICS?



The work ‘Physics’ has originated from Greek work fusis, meaning nature. So, in physics we deal with nature and natural phenomena. We understand nature only through the study matter, energy and their interactions.

Branches of Physics

Mechanics and properties of matter, Heat and thermodynamics, Sound or acoustics, Electricity and magnetism, Modern physics, Biophysics, Astrophysics, Geophysics, Nuclear physics, etc.



Theories of Physics

1. Classical Mechanics: It explains the motion of particles which travel with velocities much less than that of light.
2. Theory of Relativity: It explains the in-variance in nature and also the motion of particles which travel with velocities close to that of light.
3. Thermodynamics: It is the theory of heat, temperature and conversion of heat into work and vice-versa. It also explains the behaviours of systems containing very large number of particles.
4. Electromagnetism: It is theory of electricity, magnetism and the electromagnetic radiation including optics.
5. Quantum Mechanics: It explains the behaviours of atomic and subatomic systems of particles.
According to Albert Einstein, Science is not just a collection of laws, a catalogue of unrelated facts. It is a creation of human mind with its freely invented ideas and concepts. About modern physics, he said, the reality created by modern physics is indeed, far removed from the reality of the early days.



Physics is a basic Science. Why?

The animate and ananimate – all objects are made up of matter and energy. Therefore, any type of study of an object is basically the study of some manifestation of matter and energy. The matter and energy is the subject of study of physics, hence the laws of physics are at work at the root of the all sciences. Therefore, it need not be surprising if some direct modification of the laws of physics appear to be underlying the human behaviour also. Due to these reasons physics has intimate relationship with all the sciences and hence it is called a fundamental science.



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