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


  • 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


  • 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
  • Conduction, convection and radiation
  • Qualitative ideas of Blackbody radiation
  • Green house effect
  • Thermal conductivity
  • Newton‟s law of cooling
  • Wein‟s displacement law
  • Stefan‟s law

Unit 8


  • 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
  • Isothermal and Adiabatic process
  • 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
  • Avogadro‟s number

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
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