 # CBSE Class 11 Physics Syllabus: 2021-22

## CBSE Class 11 Physics Syllabus: 2021-22

CBSE Class 11 students can greatly benefit from studying physics, as it is a crucial subject that helps develop analytical and problem-solving skills. In addition, physics can be an engaging and thought-provoking subject for students to explore.

Contents

The syllabus for CBSE Class 11 Physics is a valuable resource for students, as it outlines the topics and subtopics that will be covered in the course. Additionally, it includes information about the marks distribution for each chapter, which can help students plan their studies and prepare for exams more effectively.

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## CBSE Class 11 Deleted Portion of Syllabus for 2021-2022

Check subject-wise details of the deducted portion of CBSE Class 9 syllabus from the following links:

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Physics

The field of physics encompasses the study of matter, as well as the fundamental principles and laws of nature that govern it, and the ways in which these principles manifest themselves in various phenomena. Through the study of physics, we aim to explain and understand the diverse and complex phenomena that arise from these fundamental concepts.

## CBSE Physics Notes For Class 11 – Chapter Wise

Chapter 1 – The Physical World

The study of the physical world is an attempt to unravel its intricacies and gain a deeper understanding of the workings of nature.

Chapter 2 – Units and Measurements

The fundamentals of units and measurements, covered in class 11 physics, equip us with the knowledge of how quantities are measured and the various units that are used to express them.

Chapter 3 – Motion in a Straight Line

When an object changes its position with respect to its surroundings over time, it is in motion. Motion in a straight line, also known as linear motion, occurs in only one dimension.

Chapter 4 – Motion in a Plane

Motion in a plane refers to the motion of an object in two dimensions, such as circular motion or projectile motion. To analyze such motion, a reference point at the origin with two coordinate axes (X and Y) is used.

Chapter 5 – Laws of Motion

Inertia is the property of an object that prevents it from changing its state of uniform motion along a straight line or from being at rest. There are three types of inertia: inertia of rest, inertia of motion, and inertia of direction. These laws govern the motion of objects and provide a foundation for understanding various physical phenomena.

Chapter 6 – Work, Energy, and Power

In physics, work refers to the transfer of energy that takes place when a force causes displacement in the direction of the force. Power is defined as the rate of doing work, which means how much work is done per unit time. Energy is the capacity to do work and can exist in various forms such as kinetic, potential, thermal, chemical, electrical, nuclear, or others. The SI unit of energy is the same as that of work.

Chapter 7 – System of Particles and Rotational Motion

When a body is constrained and fixed along a straight line, it can only rotate around the line. This is known as rotational motion, which can be seen in objects such as ceiling fans, potter’s wheels, and vehicle wheels. The study of rotational motion and the behavior of a system of particles is important in understanding the dynamics of various physical systems.

Chapter 8 – Gravitation

Gravity is a natural force that exists between all material objects in the universe. It is responsible for the motion of celestial bodies and the formation of galaxies. The study of gravitation is important in understanding the behavior of objects in space and the dynamics of the universe.

Chapter 9 – Mechanical Properties of Solids

All materials have an elastic limit beyond which they start to lose their ability to exhibit perfect elastic behavior and begin to deform irreversibly. This is called the yield point, and beyond it, plasticity sets in. The mechanical properties of solids are important in understanding the behavior of various materials under stress and strain.

Chapter 10 – Mechanical Properties of Fluids

Fluids are substances that can flow or move in a certain direction when subjected to external forces. Hydrodynamics and hydrostatics are two branches of fluid mechanics that deal with the mechanical properties of fluids, including their behavior under various conditions of stress and strain. The study of fluid mechanics is important in understanding the behavior of various fluids in different situations.

Chapter 11 – Thermal Properties of Matter

Matter or material, as defined by its mass and volume, surrounds us. For instance, a water bottle can be made of plastic or metal, both of which are examples of matter.

Materials possess characteristics or properties that help us identify them. We can categorize the major properties of materials into the following:

• Mechanical properties of materials
• Chemical properties of materials
• Physical properties of materials
• Dimensional properties of materials
• Classification of Material Property

Chapter 12 – Thermodynamics

Thermodynamics studies the relationship between heat and other forms of energy. It explains how energy in the form of heat is converted. Thermal energy refers to the energy that comes from heat. The movement of tiny particles within an object generates heat, and faster movement generates more heat.

Chapter 13 – Kinetic Theory

The kinetic theory of gases explains the behavior of molecules in an ideal gas. At low temperatures, the pressure (P), volume (V), and temperature (T) of gases can be represented by the ideal gas equation: PV = nRT.

Here, n represents the number of moles in the gas and R represents the gas constant with a value of 8.314JK−1mol−1.

Chapter 14 – Oscillations

Oscillation refers to a repetitive variation that occurs over time. It can be measured in terms of an equilibrium state. One of the most common and straightforward examples of oscillation is the motion of a simple pendulum.

Chapter 15 – Waves

We observe four types of waves, including:

• Mechanical waves that can exist in material media and follow Newton’s laws.
• Transverse waves where particles oscillate in a perpendicular direction to the wave’s propagation.
• Longitudinal waves where particles oscillate in the direction of the wave’s propagation.
• Progressive waves that move from one point of the medium to another.

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