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CBSE Class 11 Physics Notes

  • Last Updated : 11 Nov, 2021

GeeksforGeeks seeking the importance of School Learning started to create Class-wise Subject Notes. Physics Class 11 Notes is one of them. Physics is a complex subject that requires a lot of conceptual, practical, and revision understanding. Therefore, we at GeeksforGeeks provide well-developed Class 11 Physics notes, that cover all the topics from scratch to hatch. Class 11 Physics notes contain 15 chapters covering topics like Measurement, Vectors, Kinematics, Dynamics, Rotational Motion, Laws of Motion, Gravitation, Elasticity, Hydrodynamics, Thermodynamics, Calorimetry, Oscillations, Waves and many more. Thus, we have covered them all chapterwise, with detailed explanations of concepts, examples, and solved problems on them. 

CBSE Class 11 Physics Notes

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Chapter 1: Physical World

The first chapter in Class 11 Physics is the Physical World. The physical world is referred to as the complexity in nature and solving its own complexities will give us new insights into this physical world. It is referred to as the analysis of nature conducted in order to understand how the world around us performs. We have covered some crucial topics like the relation of Physics with other sciences, Fundamental Forces of nature, and many more in the articles listed below:

Chapter 2: Units and Measurement

Units and Measurement is the second chapter in the Physics curriculum of Class 11, which is the most basic and crucial chapter because it works everywhere in Physics. Units and measurement which is given in the class 11 physics textbook offer basic knowledge about how the quantities are measured and the types of units that are used with them. Therefore, we have covered topics like System of units, error in measurements significant figure, dimensional analysis, etc are listed below:

Chapter 3: Motion in a Straight Line

The third chapter is Motion in a straight line. This is the first chapter of kinematics in the Physics syllabus of Class 11. GeeksforGeeks Class 11 Physics Notes covers the essential terms related to kinematics like Motion in one dimension and important terms related to it, Rest and Motion, Position, distance, and placement, Difference between speed and velocity, etc along with solved conceptual and numerical problems on it.

Chapter 4: Motion in a Plane

The fourth chapter in Class 11 Physics is Motion in a Plane. Motion in a plane is the motion in 2 dimensions, for instance, projectile motion, circular motion, and so on. GeeksforGeeks Class 11 Physics Notes on Motion in a Plane cover the basics of motion in two dimensions, Scalar and vector – unit vector, parallel vectors, Addition, subtraction, and scalar multiplication of vectors, Average and instantaneous velocity, Position vector and displacement, Projectile motion and many more others that are listed below:

Chapter 5: Laws of Motion

Laws of motion is an important chapter of Class 11 Physics. In our crucial 11th Class Physics Notes, you will understand what is force and the laws of motion. The chapter covers the definition of force and basic forces, Newton’s law of motion, Linear momentum, Principle of conservation of momentum.

Chapter 6: Work, Energy and Power

Chapter 6 in the Physics curriculum of Class 11 is Work energy and Power. This is one of the most important and basic that have many formulas and equations on Work, Power, and Energy. Work is said to be done when a force applied on the body displaces the body through a certain distance in the direction of the force. These topic-wise concepts in the Chapter Work, Energy and Power helps to understand the concept of Work and dimensions of the unit of work, different forms of energies like Potential Energy and Kinetic energy, and its relationship with momentum. Along with the most useful topics like Mass-energy relationships, Power, etc are discussed in a detailed manner in the articles listed below:

Chapter 7: Systems of Particles and Rotational Motion

Physics class 11 has a Seventh Chapter named Systems of Particles and Rotational Motion based on the Syllabus. GeeksforGeeks provide detailed knowledge of how the system of particles moves in our daily lives. The main focus is on the Topics like Kinematics of a system of particles, Various types of motions like translational motion, rotational motion, and rotational plus translational motion Rotational dynamics. This comprises of Newtons’ laws, the moment of inertia, and theorems related to these concepts, Angular momentum, impulse, etc are discussed in the following articles as mentioned below:

Chapter 8: Gravitation

Gravitation is the Eighth Chapter in the Class 11 Physics Syllabus. In GeeksforGeeks Physics Notes, this Chapter contains the explanation on the topics like the law of gravitation given by Newton and many examples and problems that will clarify this law to the students. Topics Like Newton’s law of gravitation, Variation in g based on the distance of the object above the earth’s surface, Satellite – How a satellite is projected to form a circular orbit around a planet, Escape velocity, Period of revolution of a satellite is discussed in depth in the articles listed as:



Chapter 9: Mechanical Properties of Solids

The Chapter Ninth is Mechanical Properties of Solids in the Class 11 Physics. GeeksforGeeks crucial Physics notes for this chapter help students to understand how even rigid bodies can be bent and stretched by applying sufficient external force. As part of this chapter, learners may also learn about Deforming force, Elasticity, Stress, Perfect elastic body, Types of stress – Longitudinal, Tangential or shearing, Normal, Hooke’s law, etc as listed below:

Chapter 10: Mechanical Properties of Fluids

Mechanical Properties of Fluids is the Tenth Chapter in Class 11 Physics. GeeksforGeeks Class 11 Notes of Physics Chapter 10 explain Pascal’s and Archimedes’ principles related to fluid dynamics. Here is a synopsis of what a learner may learn here in this chapter: Fluid mechanics – fluid pressure, atmospheric pressure, Pascal’s law, Archimedes Principle, Fluid dynamics – steady flow, line of flow, The velocity of Efflux, Bernoulli’s theorem, Viscosity, Stoke’s Law, etc. 

Chapter 11: Thermal Properties of Matter

In Class 11, the Eleventh Chapter in Physics curriculum is the Thermal Properties of Matter. GeeksforGeeks’s important Class 11 Physics Notes of the matter’s thermal properties may take readers through a detailed course on heat and thermodynamics. A learner may learn about the rules and theorems like thermal properties of matter, temperature, heat, absolute temperature scale, and measurement of temperature, Thermal expansion, Heat transfer – Conduction, Convection, and Radiation, Newton’s law of cooling, etc are discussed in the articles listed below:

Chapter 12: Thermodynamics

In GeeksforGeeks Class 11 Physics Notes of Chapter 12, students learned about the interrelation between heat and other forms of energy. It covers the key concepts like Thermal equilibrium, Heat, work, and internal energy, Important thermodynamic terms like static variables, equation of state, Quasi-static process, Isothermal process, the first law of thermodynamics, and its applications along with different Engines and Cycles as listed below:

Chapter 13: Kinetic Theory

Chapter 13 in Class 11 Physics Notes is Kinetic theory. The crucial Notes provided by GeeksforGeeks on kinetic theory teach students about important topics like the definition of kinetic theory, Molecular nature of matter, Dalton’s atomic theory, Avogadro’s law, Gay Lussac’s law, Molecular structure of solids, liquids, and gases. The behaviour of gases and the perfect gas equation, Deduction of Boyle’s and Charle’s Laws, Mean free path are also discussed in the articles listed below as:

Chapter 14: Oscillations

Chapter 14 in Class 11 Physics Syllabus is Oscillations. Oscillation is the process of moving back and forth regularly. The Physics Class 11 Notes introduced by GeekssforGeeks teaches readers about what oscillation is and different types of oscillations. Students can learn the topics like oscillation and waves, Important terms related to oscillation like amplitude, period, acceleration, etc. The time of simple harmonic motion, Damped and forced oscillations are also discussed in these notes as listed below:

Chapter 15: Waves

The last and fifteenth Chapter in Class 11 Physics is Waves. A wave is a disturbance that travels propagates and transports energy and momentum without the transport of matter. GeeksforGeeks Class 11 Physics Notes covers important topics like the concept of waves, reflection of waves, speed of waves, Principle of superposition of waves. Our Notes also contains solved conceptual questions on each of the topic listed below:




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