 Class 11 Physics

# Physics Class 11 -- course

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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

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

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

Thermal conductivity

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

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

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