Class 11 Physics

Physics Class 11 -- course

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About the course

Features of course 

Recorded lectures 

Study Material 

Topics which are covered in  this course are 

Unit I: Physical World and Measurement

Chapter 1: Physical World

 

Physics - scope and excitement

Nature of physical laws

Physics, technology and society

Chapter 2: Units and Measurements

 

Need for measurement

Units of measurement

Systems of units −

SI units

Fundamental and derived units

Length, mass and time measurements

Accuracy and precision of measuring instruments

Errors in measurement

Significant figures

Dimensions of physical quantities

Dimensional analysis and its applications

Unit II: Kinematics

Chapter 3: Motion in a Straight Line

 

Frame of reference

 

Motion in a straight line

 

Position-time graph

 

Speed and velocity

 

Elementary concepts of differentiation and integration for describing motion

 

Uniform and non-uniform motion

 

Average speed and instantaneous velocity

 

Uniformly accelerated motion

 

Velocity time

 

Position-time graphs

 

Relations for uniformly accelerated motion (graphical treatment)

 

Chapter 4: Motion in a Plane

 

Scalar and vector quantities

Position and displacement vectors

general vectors and their notations

equality of vectors, multiplication of vectors by a real number

addition and subtraction of vectors

Relative velocity

Unit vector

Resolution of a vector in a plane - rectangular components

Scalar and Vector product of vectors

Motion in a plane

Cases of uniform velocity and uniform acceleration-projectile motion

Uniform circular motion

Unit III: Laws of Motion

Chapter 5: Laws of Motion

 

Intuitive concept of force

 

Inertia

 

Newton's first law of motion

 

momentum and Newton's second law of motion

 

impulse; Newton's third law of motion

 

Law of conservation of linear momentum and its applications

 

Equilibrium of concurrent forces

 

Static and kinetic friction

 

laws of friction

 

rolling friction

 

lubrication

 

Dynamics of uniform circular motion:

 

Centripetal force, examples of circular motion (vehicle on a level circular road, vehicle on banked road)

 

Unit IV: Work, Energy and Power

Chapter–6: Work, Energy and Power

 

Work done by a constant force and a variable force

Kinetic energy

Work-energy theorem

Power

Notion of potential energy

Potential energy of a spring

Conservative forces

Conservation of mechanical energy (kinetic and potential energies)

Non-conservative forces

Motion in a vertical circle

Elastic and inelastic collisions in one and two dimensions

Unit V: Motion of System of Particles and Rigid Body

Chapter 7: System of Particles and Rotational Motion

 

Centre of mass of a two-particle system

 

momentum conservation and centre of mass motion

 

Centre of mass of a rigid body

 

Centre of mass of a uniform rod

 

Moment of a force

 

Torque

 

angular momentum

 

laws of conservation of angular momentum and its applications

 

Equilibrium of rigid bodies

 

rigid body rotation and equations of rotational motion

 

comparison of linear and rotational motions

 

Moment of inertia

 

radius of gyration

 

Values of moments of inertia, for simple geometrical objects (no derivation)

 

Statement of parallel and perpendicular axes theorems and their applications

 

Unit VI: Gravitation

Chapter 8: Gravitation

 

Keplar's laws of planetary motion

The universal law of gravitation

Acceleration due to gravity and its variation with altitude and depth

Gravitational potential energy and gravitational potential

Escape velocity

Orbital velocity of a satellite

Geo-stationary satellites

Unit VII: Properties of Bulk Matter

Chapter–9: Mechanical Properties of Solids

 

Elastic behavior

Stress-strain relationship

Hooke's law

Young's modulus

Bulk modulus

Shear modulus of rigidity

Poisson's ratio

Elastic energy

Chapter–10: Mechanical Properties of Fluids

 

Pressure due to a fluid column

 

Pascal's law and its applications (hydraulic lift and hydraulic brakes)

Effect of gravity on fluid pressure

Viscosity

Stokes' law

terminal velocity

streamline and turbulent flow

critical velocity

Bernoulli's theorem and its applications

Surface energy and surface tension

angle of contact

excess of pressure across a curved surface

application of surface tension ideas to drops

bubbles and capillary rise

Chapter–11: Thermal Properties of Matter

 

Heat, temperature, thermal expansion

Thermal expansion of −

Solids

Liquids

Gases

Anomalous expansion of water

Specific heat capacity

Cp, Cv – calorimetry

Change of state

Latent heat capacity

Heat transfer −

Conduction

Convection

radiation

Thermal conductivity

Qualitative ideas of Blackbody radiation

Wein's displacement Law

Stefan's law

Greenhouse effect

Unit VIII: Thermodynamics

Chapter 12: Thermodynamics

 

Thermal equilibrium and definition of temperature

Zeroth law of thermodynamics

Heat, work and internal energy

First law of thermodynamics

Isothermal and adiabatic processes

Second law of thermodynamics −

Reversible and irreversible processes

Heat engine and refrigerator

Unit IX: Behaviour of Perfect Gases and Kinetic Theory of Gases

Chapter–13: Kinetic Theory

 

Equation of state of a perfect gas

 

Work done in compressing a gas

 

Kinetic theory of gases −

 

Assumptions

 

Concept of pressure

 

Kinetic interpretation of temperature −

 

rms speed of gas molecules

 

Degrees of freedom

 

Law of equi-partition of energy (statement only) and application to specific heat capacities of gases

 

Concept of mean free path

 

Avogadro's number

 

Unit X: Oscillations and Waves

Chapter 14: Oscillations

 

Periodic motion - time period, frequency, displacement as a function of time

 

Periodic functions

 

Simple harmonic motion (S.H.M) and its equation

 

Phase

 

Oscillations of a spring-restoring force and force constant

 

Energy in S.H.M. Kinetic and potential energies

 

Simple pendulum derivation of expression for its time period

 

Free, forced and damped oscillations (qualitative ideas only), resonance

 

Chapter–15: Waves

 

Wave motion

Transverse and longitudinal waves

speed of wave motion

Displacement relation for a progressive wave

Principle of superposition of waves

reflection of waves

standing waves in strings and organ pipes

fundamental mode and harmonics

Beats

Doppler effect

 

Syllabus

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