# CBSE Syllabus Class 12 Physics

On April 21st, 2022, CBSE released a reduced syllabus for classes 9 to 12 of the 2022-23 academic session.

After so many changes in the last 2 to 3 years, CBSE has finalised a reduced syllabus for Class 10 teachers and students to follow. However, the term-based examination pattern will NOT BE FOLLOWED in 2022-23.

We, at Educart, were prompt about it and have updated the changes in all the subjects for you. Here, you can find:

• simple analysis of all the deleted topics/ chapters to be followed this year.

With all this information in hand, both teachers and students will have a defined structure to begin the learning process on time and efficiently.

2022-23 Reduced Syllabus

We have also provided the syllabus for the 2020-21 session that was previously restored so that you can compare the deleted and added topics.

2020-21 Reduced Syllabus

CHAPTER-WISE SYLLABUS ANALYSIS (2022-23)
Topics Added (✔️) | Topics Deleted ()
Chapter 1 - Electric Charges and Fields
✔️ Uniformly charged thin spherical shell (field inside and outside).
Chapter 2 - Electrostatic Potential and Capacitance
NIL
Chapter 3 - Current Electricity
Metre bridge (qualitative ideas only)
Potentiometer - principle and its applications to measure potential difference and for comparing EMF of two cells
Measurement of internal resistance of a cell. (qualitative ideas only)
Chapter 4 - Moving Charges and Magnetism
NIL
Chapter 5 - Magnetism and Matter
Magnetic dipole moment of a revolving electron
✔️ Magnetic field intensity due to a magnetic dipole (bar magnet) along its axis and perpendicular to its axis (qualitative treatment only)
✔️ Torque on a magnetic dipole (bar magnet) in a uniform magnetic field
Earth's magnetic field and magnetic elements
✔️ Magnetic properties of materials: Para-, dia- and ferro - magnetic substances, with examples. Electromagnets and factors affecting their strengths, permanent magnets.
Chapter 6 - Electromagnetic Induction
NIL
Chapter 7 - Alternating Current
NIL
Chapter 8 - Electromagnetic Waves
NIL
Chapter 9 - Ray Optics and Optical Instruments
Scattering of light - blue colour of sky and reddish appearance of the sun at sunrise and sunset.
Chapter 10 - Wave Optics
Resolving power of microscope and astronomical telescope
Polarisation
Plane polarised light
Brewster's law
Uses of plane polarised light
Polaroids
Chapter 11 - Dual Nature of Radiation and Matter
Davisson-Germer experiment (experimental details should be omitted; only conclusion should be explained).
Chapter 12 - Atoms
NIL
Chapter 13 - Nuclei
Alpha, beta and gamma particles/ rays and their properties
Half life and mean life
✔️ Binding energy per nucleon and its variation with mass number
Chapter 14 - Semiconductor Electronics: Materials, Devices and Simple Circuits
Special purpose p-n junction diodes: LED, photodiode, solar cell
Zener diode and their characteristics
Zener diode as a voltage regulator

CLASS 12 PHYSICS BLUEPRINT 2022-23
Units Unit Name Marks
I Electrostatics 16
II Current Electricity
III Magnetic Effects of Current and Magnetism 17
IV Electromagnetic Induction and Alternating Currents
V Electromagnetic Waves 18
VI Optics
VII Dual Nature of Radiation and Matter 12
VIII Atoms and Nuclei
IX Electronic Devices 07
PRACTICALS
Two Experiments (07+07) + Practical Record (05)+ One Activity (03) + Investigatory Project (03) + Viva (05)
30
TOTAL 100

PRACTICALS

The record to be submitted by the students at the time of their annual examination has to include:

• Record of at least 8 Experiments [with 4 from each section], to be performed by the students.
• Record of at least 6 Activities [with 3 each from section A and section B], to be performed by the students.
• The Report of the project carried out by the students.

SECTION - A

Experiments

1. To determine resistivity of two / three wires by plotting a graph for potential difference versus current.
2. To find resistance of a given wire / standard resistor using a metre bridge.
3. To verify the laws of combination (series) of resistances using a metre bridge.

OR

To verify the laws of combination (parallel) of resistances using a metre bridge.

1. To determine resistance of a galvanometer by half-deflection method and to find its figure of merit.
2. To convert the given galvanometer (of known resistance and figure of merit) into a voltmeter of desired range and to verify the same.

OR

To convert the given galvanometer (of known resistance and figure of merit) into an ammeter of desired range and to verify the same.

1. To find the frequency of AC mains with a sonometer.

Activities

1. To measure the resistance and impedance of an inductor with or without iron core.
2. To measure resistance, voltage (AC/DC), current (AC) and check continuity of a given circuit using a multimeter.
3. To assemble a household circuit comprising three bulbs, three (on/off) switches, a fuse and a power source.
4. To assemble the components of a given electrical circuit.
5. To study the variation in potential drop with length of a wire for a steady current.
6. To draw the diagram of a given open circuit comprising at least a battery, resistor/rheostat, key, ammeter and voltmeter. Mark the components that are not connected in proper order and correct the circuit and also the circuit diagram.

SECTION - B

Experiments

1. To find the value of v for different values of u in case of a concave mirror and to find the focal length.
2. To find the focal length of a convex mirror, using a convex lens.
3. To find the focal length of a convex lens by plotting graphs between u and v or between 1/u and 1/v.
4. To find the focal length of a concave lens, using a convex lens.
5. To determine angle of minimum deviation for a given prism by plotting a graph between angle of incidence and angle of deviation.
6. To determine the refractive index of a glass slab using a travelling microscope.
7. To find the refractive index of a liquid using a convex lens and plane mirror.
8. To find the refractive index of a liquid using a concave mirror and a plane mirror.
9. To draw the I-V characteristic curve for a p-n junction diode in forward and reverse bias.

Activities

1. To identify a diode, an LED, a resistor and a capacitor from a mixed collection of such items.
2. Use of a multimeter to see the unidirectional flow of current in case of a diode and an LED and check whether a given electronic component (e.g., diode) is in working order.
3. To study the effect of intensity of light (by varying distance of the source) on an LDR.
4. To observe refraction and lateral deviation of a beam of light incident obliquely on a glass slab.
5. To observe diffraction of light due to a thin slit.
6. To study the nature and size of the image formed by a (i) convex lens, or (ii) concave mirror, on a screen by using a candle and a screen (for different distances of the candle from the lens/mirror).
7. To obtain a lens combination with the specified focal length by using two lenses from the given set of lenses.On April 21st, 2022, CBSE released a reduced syllabus for classes 9 to 12 of the 2022-23 academic session.

COMPETENCY-BASED QUESTION PAPER DESIGN
S. No. Typology of Questions Total Marks
1 Remembering: Exhibit memory of previously learned material by recalling facts, terms, basic concepts, and answers.
Understanding: Demonstrate understanding of facts and ideas by organising, comparing, translating, interpreting, giving descriptions, and stating main ideas
27
2 Applying: Solve problems to new situations by applying acquired knowledge, facts, techniques and rules in a different way. 22
3 Analysing: Examine and break information into parts by identifying motives or causes. Make inferences and find evidence to support generalisations
Evaluating: Present and defend opinions by making judgments about information, validity of ideas, or quality of work based on a set of criteria.
Creating: Compile information together in a different way by combining elements in a new pattern or proposing alternative solutions
21
TOTAL 70