# CBSE Class 11 Physics Syllabus

### 1. Physical World

• What is physics?
• Scope and excitement of physics
• Physics, technology and society
• Fundamental forces in nature
• Nature of physical laws

### 2. Units And Measurements

• Introduction
• The international system of units
• Measurement of length
• Measurement of mass
• Measurement of time
• Accuracy, precision of instruments and errors in measurement
• Significant figures
• Dimensions of physical quantities
• Dimensional formulae and dimensional equations
• Dimensional analysis and its applications

### 3. Motion in a Straight Line

• Introduction
• Position, path length and displacement
• Average velocity and average speed
• Instantaneous velocity and speed
• Acceleration
• Kinematic equations for uniformly accelerated motion
• Relative velocity

### 4. Motion in a Plane

• Introduction
• Scalars and vectors
• Multiplication of vectors by real numbers
• Addition and subtraction of vectors – graphical method
• Resolution of vectors
• Vector addition – analytical method
• Motion in a plane
• Motion in a plane with constant acceleration
• Relative velocity in two dimensions
• Projectile motion
• Uniform circular motion

### 5. Laws Of Motion

• Introduction
• Aristotle’s fallacy
• The law of inertia
• Newton’s first law of motion
• Newton’s second law of motion
• Newton’s third law of motion
• Conservation of momentum
• Equilibrium of a particle
• Common forces in mechanics
• Circular motion
• Solving problems in mechanics

### 6. Work, Energy And Power

• Introduction
• Notions of work and kinetic energy: The work-energy theorem
• Work
• Kinetic energy
• Work done by a variable force
• The work-energy theorem for a variable force
• The concept of potential energy
• The conservation of mechanical energy
• The potential energy of a spring
• Various forms of energy: the law of conservation of energy
• Power
• Collisions

### 7. System Of Particles And Rotational Motion

• Introduction
• Centre of mass
• Motion of center of mass
• Linear momentum of a system of particles
• Vector product of two vectors
• Angular velocity and its relation with linear velocity
• Torque and angular momentum
• Equilibrium of a rigid body
• Moment of inertia
• Theorems of perpendicular and parallel axes
• Kinematics of rotational motion about a fixed axis
• Dynamics of rotational motion about a fixed axis
• Angular momentum in case of rotations about a fixed axis
• Rolling motion

### 8. Gravitation

• Introduction
• 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 satellite
• Energy of an orbiting satellite
• Geostationary and polar satellites
• Weightlessness

### 9. Mechanical Properties Of Solids

• Introduction
• Elastic behavior of solids
• Stress and strain
• Hooke’s law
• Stress-strain curve
• Elastic moduli
• Applications of elastic behavior of materials

### 10. Mechanical Properties Of Fluids

• Introduction
• Pressure
• Streamline flow
• Bernoulli’s principle
• Viscosity
• Surface tension

### 11. Thermal Properties OF Matter

• Introduction
• Temperature and heat
• Measurement of temperature
• Ideal-gas equation and absolute temperature
• Thermal expansion
• Specific heat capacity
• Calorimetry
• Change of state
• Heat transfer
• Newton’s law of cooling

### 12. Thermodynamics

• Introduction
• Thermal equilibrium
• Zeroth law of thermodynamics
• Heat, internal energy and work
• First law of thermodynamics
• Specific heat capacity
• Thermodynamic state variables and equation of state
• Thermodynamic processes
• Heat engines
• Refrigerators and heat pumps
• Second law of thermodynamics
• Reversible and irreversible processes
• Carnot engine

### 13. Kinetic Theory

• Introduction
• Molecular nature of matter
• Behavior of gases
• Kinetic theory of an ideal gas
• Law of equipartition of energy
• Specific heat capacity
• Mean free path

### 14. Oscillations

• Introduction
• Periodic and oscillatory motions
• Simple harmonic motion
• Simple harmonic motion and uniform circular motion
• Velocity and acceleration in simple harmonic motion
• Force law for simple harmonic motion
• Energy in simple harmonic motion
• Some systems executing Simple Harmonic Motion
• Damped simple harmonic motion
• Forced oscillations and resonance

### 15. Waves

• Introduction
• Transverse and longitudinal waves
• Displacement relation in a progressive wave
• The speed of a traveling wave
• The principle of superposition of waves
• Reflection of waves
• Beats
• Doppler effect  ## Choose EduSaksham��� Embrace Better Learning 