Physics (PHY 1107) - Grade 11

Unit Area Covered Marks
Unit 1 Physical World and Measurement 10 Read more
Unit 2 Kinematics 05 Read more
Unit 3 Laws of Motion 05 Read more
Unit 4 Work, Energy and Power 10 Read more
Unit 5 Motion of System of Particles and Rigid Body 20 Read more
Unit 6 Gravitation 10 Read more
Unit 7 Binomial Theorem 10 Read more
Unit 8 Properties of Bulk Matter 10 Read more
Unit 9 Behaviour of Perfect Gas and Kinetic Theory 10 Read more
Unit 10 Oscillations and Waves 10 Read more
Total Marks 100

Unit 1

Physical World and Measurement

• Units of measurement
• Systems of units SI units
• Fundamental and derived Units
• Basic measurements Length, mass and time measurement, accuracy and precision in measurement, errors in measurement significant figures.
• Dimensions of a Physical quantity
• Applications of dimensional analysis

Unit 2

Kinematics

• Frames of Reference
• Elementary concepts of differentiation and integration
• Scalar and Vector
• Quantities position and displacement vectors
• general vectors and notation
• equality of vectors
• Vector operations:
• addition and subtraction of vectors
• unit vectors
• resolution of a vector in a plane
• rectangular components
• multiplication of a vector by a real number
• scalar product of vectors
• vector product of vectors
• Motion in a straight Line
• Displacement, speed and velocity
• Uniform and non uniform Motion
• Average and instantaneous speed and velocity
• Position-time and velocity-time graphs for a uniform motion
• Concept of acceleration, uniform acceleration, average and instantaneous acceleration
• Average and instantaneous acceleration
• uniformly accelerated motion
• Velocity-time and position-time graphs for a (one-dimensional)
• uniformly accelerated Motion
• Mathematical relations for uniformly accelerated motion
• Graphical derivation of equations of motion for a uniformly accelerated motion
• Relative velocity
• Motion in a Plane
• Motion in a plane
• Cases of uniform velocity and uniform acceleration
• Projectile Motion
• Meaning
• Mathematical relations
• Definition of the some basic terms
• Uniform Circular

Unit 3

Laws of Motion

• Force and Inertia
• intuitive concept of force
• "definition‟ of force
• inertia
• Newton's laws of motion
• The first law of motion
• Concept of momentum
• Second law of motion
• Impulse
• Third law of motion
• Law of conservation of linear momentum and its application
• Equilibrium of concurrent forces
• Friction
• static and kinetic friction
• Laws of friction
• Rolling friction
• Lubrication
• state Newton‟s third law of motion.
• understand that ,in nature, forces always occur in pairs.
• appreciate that forces of action and reaction act on different bodies and hence do not cancel each other.
• cite examples of Newton‟s third law of motion in everyday life situations.
• understand that the internal forces in a body or a system of particles always add up to give a null force.
• state the law of conservation of linear momentum.

Unit 4

Work, Energy and Power

• work done by a
• constant force
• variable force
• Energy
• Kinetic energy
• Work-energy theorem
• Potential energy
• Potential energy of a spring
• Different forms of energy
• Law of conservation of energy.
• Conservative and non-conservative forces
• conservative forces
• conservation of mechanical (kinetic and potential) energy
• non-conservative forces
• Motion in a vertical circle
• motion in a vertical circle
• understand the concept of "mechanical energy‟
• know about the different forms of energy available in nature.
• state the law of conservation of energy and appreciate its significance.
• state the "work-energy theorem‟ and prove if for a variable force.
• appreciate the significance of the "work-energy theorem‟.
• understand the concept of potential energy and write the general formula for its calculation.

Unit 5

Motion of System of Particles and Rigid Body

• Centre of mass
• 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 uniform rod
• Motion of a Rigid Body
• translational motion
• rotational motion
• processional motion
• combination of translational and rotational motion
• angular velocity
• angular acceleration
• analogy between translational and rotational motion
• kinematical equations of motion for rotational motion.
• solve problems on calculation of centre of mass for a system of particles and for combination of regular shaped bodies.
• analyse the details of the motion of the centre of mass of a system of particles
• understand the reason for regarding the "centre of mass‟ of a system of particles, as the point where all the mass of the system may be regarded as concentrated
• prove that the total momentum, of a system of particles, is equal to the product of the total mass of the system and Equilibrium of rigid bodies
• meaning of equilibrium of a rigid body
• conditions for equilibrium of a rigid body
• principle of moments
• Centre of gravity
• meaning
• significance

Unit 6

Gravitation

• Planetary motion
• Kepler‟s law of planetary motion
• Universal law of gravitation
• Acceleration due to gravity
• Concept of g
• Variation of g with altitude
• Variation of g with depth inside earth
• Gravitational Field
• Gravitational potential energy
• Gravitational potential
• Escape velocity
• Orbital velocity of a satellite
• Geo-stationary satellite

Unit 7

Properties of Bulk Matter

• Elasticity
• Elastic behavior
• Stress-strain relationship
• Hooke‟s law
• Young‟s modulus
• Bulk modulus
• Shear
• Modulus of rigidity
• Poisson‟s ratio
• Elastic energy
• Pressure in a fluid
• Pressure due to a fluid column
• Pascal‟s law and its applications (hydraulic lift and hydraulic brakes)
• Effect of gravity on fluid pressure
• Viscosity
• Stoke‟s law
• Terminal velocity
• Reynold‟s number
• Streamline and turbulent flow
• Critical velocity
• Bernoulli‟s theorem and its applications
• Surface Tension
• Surface energy and surface tension
• Angle of contact
• Excess of pressure
• Application of surface tension ideas to drops, bubbles, and capillary rise
• Thermal properties of matter
• Heat and temperature
• Thermal expansion of solids, liquids and gases
• Specific heat capacity
• Calorimetry
• Change of state – latent heat capacity
• Heat transfer
• Qualitative ideas of Blackbody radiation
• Green house effect
• Thermal conductivity
• Newton‟s law of cooling
• Wein‟s displacement law
• Stefan‟s law

Unit 8

Thermodynamics

• Concept of Temperature
• Thermal Equilibrium
• Definition of temperature
• Zeroth law of thermodynam ics
• First Law of Thermodyna mics
• Heat, work and internal energy
• 1st law of thermodynam ics
• Second Law of Thermod-ynamics
• Reversible and irreversible processes
• Heat engines
• Refrigerators

Unit 9

Behaviour of Perfect Gas and Kinetic Theory

• Perfect gas
• Equation of state
• compressing a gas
• Kinetic theory of gases
• Assumptions
• Concept of pressure
• Kinetic energy and temperature
• RMS speed of gas molecule
• degrees of freedom
• law of equipartition of theory (statement only) and its application to the specific heat capacities of gases
• Concept of mean free path

Unit 10

Oscillations and Waves

• Periodic motion period, frequency, displacement as a function of time
• Periodic functions
• Simple Harmonic Motion (SHM)
• Equation of SHM Phase
• Oscillation of a spring–restoring force and force constant
• Energy in SHM
• Simple pendulum –derivation of expression for its time period
• Free, forced and damped oscillations (qualitative ideas only)
• resonance
• Wave motion
• Transverse and longitudinal wave
• Speed of wave motion
• Displacement relation for progressive wave
• Superposition of waves
• Principle of superposition of waves
• Reflection of waves
• Standing waves in strings and organ pipes
• Fundamental mode and harmonics
• Beats
• Doppler effect