CBSE Class 12 Physics Syllabus 2024-25: The Central Board of Secondary Education (CBSE) has released the Class 12 Physics syllabus for the academic year 2024-25 which can be accessed on the official website, www.cbseacademic.nic.in. The syllabus comprises 9 divisions and 14 chapters, ensuring a comprehensive coverage of key concepts in Physics.
The assessment structure for the CBSE Class 12 Physics syllabus includes a theoretical section worth 70 marks, complemented by an evaluation scheme that accounts for 30 marks. This division emphasizes the importance of both theoretical understanding and practical applications in the subject. Students in the science stream are strongly encouraged to thoroughly review the CBSE Class 12 Physics syllabus. Doing so will provide clarity on the topics to be studied and help in effective preparation for the upcoming examinations. A clear understanding of the syllabus will also aid in organizing study schedules and identifying key areas of focus to maximize performance in both theory and practical assessments.CBSE Class 12 Syllabus 2024-25
CBSE Class 12 Physics Syllabus 2024-25 |
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Unit No. | Unit Name | Chapters | Allotted Marks |
Unit 1 | Electrostatics | Chapter 1 - Electric Charges and Fields | 16 |
Chapter 2 - Electrostatic Potential and Capacitance | |||
Unit 2 | Current Electricity | Chapter 3 - Current Electricity | |
Unit 3 | Magnetic Effects of Current and Magnetism | Chapter 4 - Moving Charges and Magnetism | 17 |
Chapter 5 - Magnetism and Matter | |||
Unit 4 | Electromagnetic Induction and Alternating Currents | Chapter 6 - Electromagnetic Induction | |
Chapter 7 - Alternating Current | |||
Unit 5 | Electromagnetic Waves | Chapter 8 - Electromagnetic Waves | 18 |
Unit 6 | Optics | Chapter 9 - Ray Optics and Optical Instruments | |
Chapter 10 - Wave Optics | |||
Unit 7 | Dual Nature of Radiation and Matter | Chapter 11 - Dual Nature of Radiation and Matter | 12 |
Unit 8 | Atoms and Nuclei | Chapter 12 - Atoms | |
Chapter 13 - Nuclei | |||
Unit 9 | Electronic Devices | Chapter 14 - Semiconductor Electronics: Materials, Devices, and Simple Circuits | 7 |
Total | 70 |
CBSE Class 12 Physics Syllabus 2024-25 PDF
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CBSE Class 12 Physics Syllabus 2024-25 for Practical Exam |
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Particulars | Marks |
Two experiments one from each section | 7+7 Marks |
Practical record [experiments and activities] | 5 Marks |
One activity from any section | 3 Marks |
Investigatory Project | 3 Marks |
Viva on experiments and activities | 5 Marks |
Total | 30 Marks |
CBSE Class 12 Physics Syllabus 2024-25 for Practical Exam (Section A) | |
S.No. | Experiments: |
1. | To determine the resistivity of two / three wires by plotting a graph for potential difference versus current. |
2. | To find the resistance of a given wire / standard resistor using a meter bridge. |
3. | To verify the laws of combination (series) of resistances using a meter bridge. OR To verify the laws of combination (parallel) of resistances using a meter bridge. |
4. | To determine the resistance of a galvanometer by the half-deflection method and to find its figure of merit. |
5. | To convert the given galvanometer (of known resistance and figure of merit) into a voltmeter of the desired range and to verify the same. OR To convert the given galvanometer (of known resistance and figure of merit) into an ammeter of the desired range and to verify the same. |
6. | To find the frequency of AC mains with a sonometer. |
S.No . | Activities: |
1. | To measure the resistance and impedance of an inductor with or without an iron core. |
2. | To measure resistance, voltage (AC/DC), and current (AC) and check the 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 the 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. |
CBSE Class 12 Physics Syllabus 2024-25 for Practical Exam (Section B) | |
S.No. | Experiments |
1. | To find the value of v for different values of u in the 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, use a convex lens. |
5. | To determine the angle of minimum deviation for a given prism by plotting a graph between the angle of incidence and the 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 the 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. |
S.No. | 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 the 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. |
S.No. | Investigatory Projects |
1. | To study various factors on which the internal resistance/EMF of a cell depends. |
2. | To study the variations in current flowing in a circuit containing an LDR because of a variation in (a) the power of the incandescent lamp, used to 'illuminate' the LDR (keeping all the lamps at a fixed distance). (b) the distance of an incandescent lamp (of fixed power) used to 'illuminate' the LDR. |
3. | To find the refractive indices of (a) water and (b) oil (transparent) using a plane mirror, an equiconvex lens (made from a glass of known refractive index) and an adjustable object needle. |
4. | To investigate the relation between the ratio of (i) output and input voltage and (ii) the number of turns in the secondary coil and primary coil of a self-designed transformer. |
5. | To investigate the dependence of the angle of deviation on the angle of incidence using a hollow prism filled one by one, with different transparent fluids. |
6. | To estimate the charge induced on each one of the two identical Styrofoam (or pith) balls suspended in a vertical plane by making use of Coulomb's law. |
7. | To study the factor on which the self-inductance of a coil depends by observing the effect of this coil when put in series with a resistor/(bulb) in a circuit fed up by an A.C. source of adjustable frequency. |
8. | To study the earth's magnetic field using a compass needle-bar magnet by plotting magnetic field lines and tangent galvanometer. |
CBSE Class 12 Physics Syllabus Deleted Portion |
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Chapter | Deleted Topics | Deleted Exercise |
Electric Charge and Fields | Electric Charge – activity with paper strips and making electroscopes, Conductors and Insulators – the concept of earthing | 1.13, 1.25 – 1.34 |
Electrostatic Potential and Capacitance | Energy Stored in a Capacitor – derivation | 2.12 – 2.36 |
Current Electricity | Resistivity of Various Materials, Carbon Resistors, Colour Code for Carbon Resistor, Combination of Resistors – series and parallel, Meter Bridge, Potentiometer | 3.3, 3.4, 3.10, 3.12, 3.14 – 3.23 |
Moving Charges and Magnetism | Velocity Selector, Cyclotron, The Toroid, Magnetic Dipole Moment of a Revolving Electron | 4.14 – 4.28 |
Magnetism and Matter | Bar Magnet as an Equivalent Solenoid – mathematical treatment, Dipole in a Uniform Magnetic Field – mathematical treatment, Earth’s Magnetism, Magnetic Declination and Dip Table, Paramagnetism – Curie’s Law, Ferromagnetism – Curie Temperature and Hysteresis, Permanent Magnets and Electromagnets | 5.1, 5.2, 5.9 – 5.11, 5.13 – 5.25 |
Electromagnetic Induction | Energy Consideration | 6.6, 6.10 – 6.17 |
Alternating Current | Magnetisation and Demagnetisation of an Inductor, Charging and Discharging of a Capacitor, Analytical Solution – of series LCR circuit, Resonance – sharpness of resonance, LC Oscillations | 7.6, 7.8, 7.10, 7.12 – 7.26 |
Electromagnetic Waves | Nature of Electromagnetic Waves – about ether | 8.11 – 8.15 |
Ray Optics and Optical Instruments | Refraction – advanced sunrise and delayed sunset, Mirage, Diamond, Some Natural Phenomena due to Sunlight, Rainbow, Scattering of Light | 9.18 |
Wave Optics | Doppler Effect, Interference of Light Waves and Young’s Experiment – deleted derivation, expression for fringe width, Diffraction – only qualitative treatment retained, Resolving Power of Optical Instruments, Validity of Ray Optics, Polarisation of Scattering, Polarisation by Reflection | 10.7 – 10.21 |
Atoms | Spectral Series, Bohr Model of Hydrogen Atom – derivation deleted, Line Spectra of Hydrogen Atom – qualitative treatment retained | 12.3, 12.11 – 12.17 |
Nuclei | Law of Radioactive Decay, Alpha Decay, Beta Decay, Gamma Decay, Nuclear Reactor | 13.1, 13.2, 13.6 – 13.10, 13.12 – 13.14, 13.18, 13.22 – 13.31 |
Semiconductor Electronics | Special Purpose of p-n Junction Diodes, Electronics and Logic Gates | 14.7 – 14.15 |