Students studying in class 11 of ISC board should know the entire syllabus of each and every subject before they start preparing for their examination. So, to help them, we have provided the ISC Class 11 Physics Syllabus for theory as well as practicals. Thorough knowledge ofÂ ISC Class 11 Physics Syllabus will also help in preparing a proper study schedule for the exam. The ISC Class 11 Physics Syllabus PDF is available for free downloading from the link below.

## Download ISC Class 11 Physics Reduced Syllabus 2020-21 PDF

There will be 2 papers in Physics subject. One will be theory paper, and other will be practical as mentioned below:

**Paper I (****Theory)** **–** This will be a theory paper comprising of 70 marks and 3 hours of time duration.

**Paper II –** This will consist of 30 marks. The subdivision is mentioned below:

Practical –Â 3 hours – 15 marks

Project Work –Â 10 marks

Practical File – 5 marks

## ISC Syllabus for Class 11 Physics (Theory Paper)

__PAPER I- THEORY: 70 Marks__

*There will be no overall choice in the paper. Candidates will be required to answer all questions. Internal choice will be available in two questions of 2 marks each, two questions of 3 marks each and all the three questions of 5 marks each.*

S. NO. |
UNIT |
TOTAL WEIGHTAGE |

1. | Physical World and Measurement | Â
23 Marks |

2. | Kinematics | |

3. | Laws of Motion | |

4. | Work, Energy and Power | 17 Marks |

5. | Motion of System of Particles and Rigid Body | |

6. | Gravitation | |

7. | Properties of Bulk Matter | 20 Marks |

8. | Heat and Thermodynamics | |

9. | Behaviour of Perfect Gases and Kinetic Theory of Gases | |

10. | Oscillations and Waves | 10 Marks |

TOTAL |
70 Marks |

### 1. Physical World and Measurement

**Units and Measurements **

Measurement: need for measurement; units of measurement; systems of units: fundamental and derived units in SI;

measurement of length, mass and time; significant figures.

Dimensional formulae of physical quantities and constants, dimensional analysis and its applications.

### 2. Kinematics

**Motion in a Plane **

Scalar and Vector quantities with examples. Position and displacement vectors, general vectors and their notations; equality of vectors, addition and subtraction of vectors, relative velocity, Unit vector; resolution of a vector in a plane, rectangular components, Scalar and Vector product of two vectors. Projectile motion and uniform circular motion.

### 3. Laws of Motion

General 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. Friction: 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 a banked road).

### 4. Work, Power and Energy

Work done by a constant force and a variable force; kinetic energy, work-energy theorem, power.

Potential energy, potential energy of a spring, conservative forces: conservation of mechanical energy (kinetic and potential energies); Conservative and non-conservative forces. Concept of collision: elastic and inelastic collisions in one and two dimensions.

### 5. Motion of System of Particles and Rigid Body

Idea of 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 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, comparative study of linear and rotational motions.

Moment of inertia, radius of gyration, moments of inertia for simple geometrical objects (no derivation). Statement of parallel and perpendicular axes theorems and their applications.

### 6. Gravitation

Kepler’s laws of planetary motion, universal law of gravitation. Acceleration due to gravity (g) and its variation with altitude, latitude and depth.

Gravitational potential and gravitational potential energy, escape velocity, orbital velocity of a satellite, Geo-stationary

satellites.

### 7. Properties of Bulk Matter

**(i) Mechanical Properties of Solids:**

Elastic behaviour of solids, Stress-strain relationship, Hooke’s law, Young’s modulus, bulk modulus, shear modulus of

rigidity, Poisson’s ratio; elastic energy.

**(ii) Mechanical Properties of Fluids **

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.

### 8. Heat and Thermodynamics

(i) Heat transfer-conduction, convection and radiation, thermal conductivity, qualitative ideas of Blackbody radiation, Wein’s displacement Law, Stefan’s law, and Greenhouse effect

**(ii) 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.

### 9. Behaviour of Perfect Gases and Kinetic Theory of Gases

**(i) 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.

### 10. Oscillations and Waves

**(i) 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 and derivation of expression for its time period.

**(ii) Waves**

Wave motion, Transverse and longitudinal waves, 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.

We hope students have found this information on ISC Class 11 Physics Syllabus useful for their studies. To get the syllabus for all the subjects of class 11 and 12, visit ISC Syllabus page. Stay tuned for the latest update on ICSE/ISC/CBSE/State Board and competitive exams.

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