 Physics is a very important resource for students of CBSE Class 11.  Physics is an interesting subject for the enhancement of analytical and problem solving skills.

The syllabus for Class 11 Physics is helpful for students. It provides information on topics, sub topics along with the marks distribution of all chapters.

CBSE syllabus for Class 11 Physics for the academic year 2020-2021 cover all the important topics and subtopics along with the marking scheme and time duration.

Students can download the Class 11 latest CBSE syllabus of Physics subject along with the marking scheme and time duration from the PDF link provided below.

The syllabus that is issued by the CBSE for class 11 students and also contains the question paper design scheme.

## Marking Scheme of CBSE Class 11 Physics Syllabus 2020-21

The CBSE syllabus for class 11 Physics is divided into total 10 units. The table below shows the unit name, marks distribution and time allocated to complete each unit.

Students can also get the deleted portion of the syllabus from the link below:

CBSE Class 11 Physics Deleted Portion of Syllabus 2020-21

## CBSE Syllabus for Class 11 Physics Practical 2020-21

Below are the list of the experiments that Physics practical’s.

### Experiments

1. To measure diameter of a small spherical/cylindrical body and to measure internal
diameter and depth of a given beaker/calorimeter using Vernier Callipers and hence
find its volume.
2. To measure diameter of a given wire and thickness of a given sheet using screw
gauge.
OR
To determine volume of an irregular lamina using screw gauge.
3. To determine radius of curvature of a given spherical surface by a spherometer.
4. To determine the mass of two different objects using a beam balance.
5. To find the weight of a given body using parallelogram law of vectors.

6. Using a simple pendulum, plot its L-T2 graph and use it to find the effective length
of second’s pendulum.
OR
To study variation of time period of a simple pendulum of a given length by taking
bobs of same size but different masses and interpret the result.
7. To study the relationship between force of limiting friction and normal reaction and
to find the co- efficient of friction between a block and a horizontal surface.
OR
To find the downward force, along an inclined plane, acting on a roller due to
gravitational pull of the earth and study its relationship with the angle of inclination θ
by plotting graph between force and sin θ.

Activities
1. To make a paper scale of given least count, e.g., 0.2cm, 0.5 cm.
2. To determine mass of a given body using a metre scale by principle of moments.
3. To plot a graph for a given set of data, with proper choice of scales and error bars.
4. To measure the force of limiting friction for rolling of a roller on a horizontal plane.
5. To study the variation in range of a projectile with angle of projection.
6. To study the conservation of energy of a ball rolling down on an inclined plane (using
a double inclined plane).
7. To study dissipation of energy of a simple pendulum by plotting a graph between
square of amplitude and time.

SECTION–B
Experiments

1. To determine Young’s modulus of elasticity of the material of a given wire.
OR
To find the force constant of a helical spring by plotting a graph between load and
extension.
1. To study the variation in volume with pressure for a sample of air at constant
temperature by plotting graphs between P and V, and between P and 1/V.
2. To determine the surface tension of water by capillary rise method.
OR

To determine the coefficient of viscosity of a given viscous liquid by measuring
terminal velocity of a given spherical body.
3. To study the relationship between the temperature of a hot body and time by plotting
a cooling curve.
4. To determine specific heat capacity of a given solid by method of mixtures.
5. To study the relation between frequency and length of a given wire under constant
tension using sonometer.
OR
To study the relation between the length of a given wire and tension for constant
frequency using sonometer.
7. To find the speed of sound in air at room temperature using a resonance tube by
two resonance positions.

### Activities

1. To observe change of state and plot a cooling curve for molten wax.
2. To observe and explain the effect of heating on a bi-metallic strip.
3. To note the change in level of liquid in a container on heating and interpret the observations.

4. To study the effect of detergent on surface tension of water by observing capillary rise.
5. To study the factors affecting the rate of loss of heat of a liquid.
6. To study the effect of load on depression of a suitably clamped metre scale loaded
at (i) its end (ii) in the middle.
7. To observe the decrease in pressure with increase in velocity of a fluid.
Practical Examination for Visually Impaired Students Class XI

Note: Same Evaluation scheme and general guidelines for visually impaired students as
given for Class XII may be followed.

A. Items for Identification/Familiarity of the apparatus for assessment in practicals (All experiments).

Spherical ball, Cylindrical objects, vernier calipers, beaker, calorimeter, Screw gauge, wire, Beam balance, spring balance, weight box, gram and milligram weights, forcepParallelogram law of vectors apparatus, pulleys and pans used in the same ‘weights’ used, Bob and string used in a simple pendulum, meter scale, split cork, suspension arrangement, stop clock/stop watch, Helical spring, suspension arrangement used, weights, arrangement used for measuring extension, Sonometer, Wedges, pan and pulley used in it, ‘weights’ Tuning Fork, Meter scale, Beam balance, Weight box, gram and
milligram weights, forceps, Resonance Tube, Tuning Fork, Meter scale, Flask/Beaker used for adding water.

### B. List of Practicals

1. To measure diameter of a small spherical/cylindrical body using vernier calipers.2. To measure the internal diameter and depth of a given beaker/calorimeter using vernier calipers and hence find its volume.
3. To measure diameter of given wire using screw gauge.
4. To measure thickness of a given sheet using screw gauge.
5. To determine the mass of a given object using a beam balance.
6. To find the weight of given body using the parallelogram law of vectors.
7. Using a simple pendulum plot L-T and L-T2 graphs. Hence find the effective length of second’s pendulum using appropriate length values.
8. To find the force constant of given helical spring by plotting a graph between load and extension.
9. (i) To study the relation between frequency and length of a given wire under constant tension using a sonometer.
(ii) To study the relation between the length of a given wire and tension, for
constant frequency, using a sonometer.
10. To find the speed of sound in air, at room temperature, using a resonance tube, by observing the two resonance positions.

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