One Paper (Theory) 3 hours 70 marks
Unitwise Weightage
1. Introduction, Physical World and Measurement 5
2. Description of Motion in One Dimension 5
3. Description of Motion in Two and Three Dimensions 6
4. Laws of Motion 6
5. Work, Energy and Power 7
6. Rotational Motion 6
7. Gravitation 6
8. Properties of Matter 10
9. Heat and Thermodynamics 8
10. Oscillations 5
11. Waves 6
Unit 1: Introduction and Measurement 10Pds.
Physics-Scope and excitement; Physics in relation to science,
society and technology. Need for measurement, units for
measurement, systems of units; SI units, fundamental and
derived units. Dimensions and their applications. Orders of
magnitude. Accuracy and errors in measurement, random and
instrumental errors. Significant figures and rounding off.
Unit 2: Description of Motion in One Dimension 13 Pds.
Objects in motion in one dimension. Motion in a straight
line, Uniform motion, its graphical representation and
formulae, speed and velocity, relative velocity,
instantaneous velocity. Uniformly accelerated motion, its
position-time graph, velocity-time graph and formulae,
application of Differentiation and Integration.
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Unit 3: Description of Motion in Two and Three Dimensions 15 Pds.
Vectors and scalars, vectors in two and three dimensions,
unit vector, vector addition and multiplication. Resolution
of a vector in a plane, rectangular components. Scalar and
vector products. Motion in two dimensions, projectile
motion, uniform circular motion. Common examples of three
dimensional motion.
Unit 4: Laws of Motion 15 Pds.
Force and inertia, first law of motion. Momentum, second law
of motion, impulse, forces in nature., Third law of motion,
conservation of linear momentum, rocket propulsion.
Equilibrium of concurrent forces. Static and kinetic
friction, laws of friction, rolling friction, lubrication.
Inertial and non- inertial frames (elementary ideas).
Unit 5: Work, Energy and Power 17 Pds.
Work done by a constant force and by a variable force. Unit
of work. Energy-kinetic and potential Power. Elastic
collision in one and two dimensions. Gravitational potential
energy and its conversion to kinetic energy, spring constant,
potential energy of a spring. Different forms of energy,
mass energy equivalence, conservation of energy.
Unit 6: Rotational Motion 15 Pds.
Centre of mass of a two particle system, centre of mass of a
rigid body, general motion of a rigid body, motion of centre
of mass, nature of rotational motion, rotational motion of a
single particle in two dimensions. Torque, angular momentum
and its geometrical and physical meaning, conservation of
angular momentum, centripetal force, examples of circular
motion (car on a level circular road, car on a banked road).
Comparison of linear and rotational motions, moment of
intertia-its physical significance, parallel axis and
perpendicular axis theorem (statements only), derivation of
expressions for moment of inertia of ring, disc and straight
rod (idea of integration).
Unit 7: Gravitation 14 Pds.
Universal law of gravitation, inertial and gravitational
mass, relation between `g' and `G' variations in the
acceleration due to gravity of the earth, Gravitational
potential energy near the surface of earth, gravitational
potential, orbital velocity, escape velocity, geostationary
satellite, planetary motion, Kepler's laws (statements only).
Unit 8: Properties of Matter 24 Pds.
Inter-atomic and intermolecular forces, states of matter.
A. Solids : Elastic properties, Hooke's law, Young's
modulus, bulk modulus, shear, modulus of rigidity.
B. Fluids : Fluid pressure. Pascal's law, buoyancy,
floatation, Archimedes principle, atmospheric pressure.
Surface energy and surface tension, angle of contact,
examples of drops and bubbles, capillary rise and detergents
and surface
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tension. Viscosity, sphere falling through a liquid, Stokes'
law, streamline flow, Reynold's number. Bernoulli's theorem
and its applications.
C. Gases : Kinetic theory of gases, pressure exerted by a
gas, kinetic energy and temperature, absolute temperature
scale, gas laws and Avogadro's number.
Unit 9: Heat and Thermodynamics 18 Pds.
First law of thermodynamics, specific heat at constant volume
and constant pressure of ideal gas, relation between them.
Thermodynamic state, equation of state, pressure-temperature
phase diagram. Thermodynamic processes (reversible,
irreversible, isothermal, adiabatic), Carnot cycle, second
law of thermodynamics, efficiency of heat engines. Thermal
conductivity, black body radiation, Wien's law, Stefan's law,
Newton's law of cooling.
Unit 10: Oscillations 13 Pds.
Periodic motion: simple harmonic motion (S.H.M.) and its
equation of motion. Oscillations due to a spring, kinetic
energy and potential energy in S.H.M., simple pendulum,.
derivation of the expression of its time period, physical
concept of forced oscillations: resonance and damped
oscillations.
Unit 11 : 14 Pds.
Wave motion, speed of a wave, principle of superposition,
reflection of waves, harmonic waves (qualitative treatment
only), formation of standing waves (graphical treatment
only), standing waves in strings and pipes; Beats, Doppler
effect. Acoustics of buildings (idea of reverberation time).
CLASS XI (Practicals)
One Practical Paper 3 hours 30 marks 72 Pds.
Minimum of 10 experiments (minimum of 5 from each Section A and Section B), minimum 7 activities (a minimum of 3 from each section) and one investigatory project are to be performed by each student.
Two experiments 14 marks (7 marks each)
Record of one Investigation Project and viva 3+3=6 marks based on Project
Record of experiments and activities 3+2=5 marks
Viva on experiments and activities 3+2=5 marks
List of experiments
Section A
1. (a) To measure the diameter of a small
spherical/cylindrical body using a vernier callipers.
(b) To find the volume of the given metallic rectangular
block by measuring its dimensions with a vernier callipers
and check the result by using a graduated cylinder.
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(c) To determine the internal diameter, depth and volume of
a beaker/calorimeter with a vernier callipers.
2. To measure diameter of a wire by using a screw-gauge
and find its volume.
3. To find the intertial mass of a body with the help of
known masses using intertial balance.
4. To find the density of the material of the given
rectangular block using a beam balance.
5. To find the weight of a given body using law of
parallelogram of forces.
6. To find the downward force along the inclined plane
acting on a trolley/roller due to gravitational pull of earth
and study its relationship with the angle of inclination of
inclined plane.
7. To find the linear acceleration of a body and to study
how it depends on the force acting on the body and its mass.
8. To study the relationship between force of dynamic
friction and normal reaction and to find the coefficient of
friction between a block and a horizontal surface.
9. To determine the acceleration due to gravity using a
simple pendulum.
10. To determine the radius of gyration about the centre of
gravity of a metre scale used as a bar pendulum by studying
its oscillations about axes close to its C.G.
Section B
1. To study the variations in volume with pressure for a
sample of air at constant temperature.
or
To study the variations of volume with pressure for a sample
of air at constant temperature using a syringe with an
improvised scale (e.g., a strip of graph paper).
2. To find the surface tension of water by capillary rise
method/drop weight method.
3. To find the pressure of a sample of air at constant
volume at different temperatures and to study the
relationship between pressure and temperature.
4. To determine the coefficient of viscosity of a given
liquid by plotting the graph between terminal velocity and
square of radius of spherical body.
5. To determine the Young's modulus of the material of a
given wire.
6. To find the spring-constant of, a helical spring by
measuring time period of vertical oscillations of a known
load and check the result by measuring its extension by a
known force.
7. (a) To find the relation between frequency and length
for constant tension and diameter of a stretched string using
sonometer.
or
(b) To find the relation between length and tension for
constant frequency and diameter of a stretched string using
sonometer.
or
(c) To find the relation between length and diameter for
constant frequency and tension of a stretched string using
sonometer.
8. TO compare the frequencies of two tuning forks using
the resonance tube and find the end correction.
9. To find the velocity of sound at room temperature using
the resonance tube and to calculate its value at 0o C.
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10. To study the relationship between temperature of a body
and time as it cools by radiating heat.
List of Activities
Section-A
1. To find the least count of the given stop clock/watch
and use it for checking the time period of oscillation of
pendulum of length 1 metre.
2. To find the force of dynamic (sliding) friction for a
wooden block moving on rollers on a horizontal plane.
3. To find the force of rolling friction for a wooden
block moving on rollers on a horizontal plane.
4. To study the conservation of energy of a ball rolling
down on inclined plane (using a double inclined track).
5. To study the variation in the range of a jet of water
by varying the angle of projection.
6. To locate the position of no friction for the junction
of three threads when it is in equilibrium under the action
of three forces in the parallelogram law of vectors
apparatus.
Section-B
1. To measure the air pressure inside a balloon using an
open ended water manometer/multipurpose mercury barometer.
2. To find the atmospheric pressure using Fortin's
barometer and to calculate its value in SI Units.
3. To study the bending of a bimetallic strip on heating
and find out which of the two metals has larger linear
expansion.
4. To study the real and apparent expansions of liquids.
5. To determine the spring constant of a spring.
6. To study the variations in length of a rubber band with
applied force.
7. To find the frequencies of two tuning forks by counting
the beats produced by them and to identify the one having
higher frequency.
Investigatory Projects
1. To study the changes in velocity of a body pulled by a
constant force,
2. To study the conservation of energy of a simple
pendulum using ticker-timer and a tape.
3. To study the conservation of energy of a body falling
freely, using ticker-timer and tape.
4. To study the acceleration due to gravity with the help
of ball rolling down an inclined plane and by applying the
correction for rotatory motion.
5. To study the acceleration of freely falling body using
a ticker-timer and a tape.
6. To study the first law of motion by Galileo experiment
using the double inclined track i.e. a pair of inclined
tracks each of which can be independently set at a small
angle in inclination by plotting a graph between it's sine
(i.e. perpendicular/hypotenuse) and the distance of ascent.
7. To estimate the size of a molecule of an oil.
8. To study the comparative cleansing effect of the
different detergents through the study of surface tension.
9. To study the factors upon which the time period of a
simple pendulum depends.
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10. To study the factors affecting the force of friction
(static and kinetic) between two surfaces.
11. To study the factors affecting the rate of loss of heat
(or rate of cooling) of a liquid.
12. To study the effect of surface on emission and
absorption of radiation.
13. To study the factors affecting the refractive index of
a substance.
14. To study the factors affecting the resonant lengths of
closed pipes.
15. To study thermocouple and the variation of its thermo-
emf with temperature.
16. To study the variations in the intensity of a source of
light with distance.
17. To study the motion of a ball using the double inclined
track/channel.
Note: These are only specimens of Investigatory Projects. In
order to promote innovativeness, the students be encouraged
to take up new projects (other than the ones mentioned
above), in consultation with and the approval of the teacher
concerned. Many of the experiments demonstrated to support
theory teaching can be extended for project work.
Books Recommended
1. Physics-Class XI, Part I NCERT Publication
2. Physics-Class XI, Part II -do-
3. Physics Laboratory Manual (Class XI) -do-
4. Senior School Physics M/s. Sultan Chand & Sons, 4792/23, Ansari Road, Darya Ganj, New Delhi-110002
5. Physics for Class XI Macmillan India Ltd., Post Box 7092,2/10, Ansari Road, New Delhi-11002.
6. Physics XI (Part I) M/s. Arya Book Depot, 30, Naiwala, Karol Bagh, New Delhi-110005.
7. Basic Principles of Physics, Vol. I M/s. Pitamber Publishing Co., 888, East Park Road, Karol Bagh, New Delhi-110005.
8. Senior School Physics for Class XI M/s. Frank Bros. & Co., 4675-A, Ansari Road, New Delhi-110002.
Note : The Hindi versions of the above NCERT books are also available.
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CLASS XII (Theory)
One Paper (Theory) 3 hours 70 marks
Unitwise Weightage
1. Electrostatics 8
2. Current Electricity 7
3. Thermal and Chemical Effects of Current 8
4. Magnetic Effect of Current
5. Magnetism 4
6. Electromagnetic Induction and Alternating Currents 8
7. Electromagnetic Waves 7
8. Wave Optics
9. Ray Optics and Optical Instruments 7
10. Electrons and Photons 10
11. Atoms, Molecules and Nuclei
12. Solid and Semiconductor Devices 8
13. Universe 3