Physics turns one choice into 200 marks. Mechanics decides most of them. The CSS Physics syllabus covers mechanics, fluids, waves, optics, and modern physics across two papers. It carries 200 marks. Our analysis covers papers from 2009 to 2025. Newtonian mechanics sits far ahead with 52 questions and 20% weight. Special relativity follows with 42 questions and 16%. Fluid mechanics adds 36 questions at 14%. Derivations carry the paper from start to finish. Even the vector groundwork inside mechanics drew 35 questions. Master derivations early. Then drill numericals until units and formulas sit in your fingers. Examiners reward clean working. They punish guessed formulas without mercy. Relativity surprises many candidates. Give Einstein real weeks, not a weekend. Choose Physics only when your degree speaks this language fluently. Outsiders lose a year learning the dialect and the syllabus together.
PHYSICS PAPER—I (Marks-100) CSS Syllabus
PAPER: Total PHYSICS I & II (200 MARKS)
I. Mechanics Vectors: Dots, Cross and triple products, Gradient, divergence, curl and applications. Newtonian laws of motion: calculus based approach to kinematics, forces and dynamics, conservation law of energy; conservation of linear and angular momentum; Dynamics of rigid body; spin and precession; gyroscope; Gravitation; planetary motion and satellites; Kepler’s laws; centripetal forces Special theory of relativity: Michelson-Morley experiment and Einstein’s postulates; Lorentz transformation; time dilation and length contraction; equivalence of mass and energy.
II. Fluid Mechanics Surface tension; Viscosity; Elasticity; fluid motion and Bernoulli’s theorem.
III. Waves and Oscillations, Optics Free oscillation with one and two degrees of freedom; forced and damped oscillations and phenomenon of resonance; Simple harmonic motion; Traveling waves and transmission of energy; Phase and Group velocity; standing waves; Basics of sound waves. Reflection, Refraction, Interference, Diffraction and Polarization of waves; interfero meter and Newton’s rings; Diffraction Gratings and their resolving power; spectro meters. Electromagnetic wave equation; normal and anamolous dispersion; coherence, lasers and applications.
IV. Heat and Thermodynamics Perfect gas, real gas and Van der Waals equation; Three Laws of Thermodynamics; internal energy; temperature; entropy; Thermal properties of simple systems; kinetic theory of gases; Maxwellian distribution of molecular velocities; Brownian motion; Transport phenomena. Classical Maxwell-Boltzmann Statistics and its application; Bose-Einstein and Fermi-Dirac Statistics.
PHYSICS PAPER—II (Marks-100) CSS Syllabus
I. Electricity and Magnetism Electric field due to point charges; Gauss’ law; Electric potential; Poisson and Laplace’s equations; Dielectric medium and Polarization; Capacitance; Moving charges and resulting magnetic field; Ampere’s law; Magnetic properties of matter; Faraday’s law of electromagnetic induction; Alternating current and RLC circuit; Poynting theorem and Poynting Vector. Maxwell’s equations in integral and differential form; scalar and vector potential.
II. Modern and Quantum Physics Waves and particles and De Broglie’s Hypothesis; Operators and quantum states; observables; time dependent and independent Schrodinger equation; angular momentum; spin-1/2 particle in a magnetic field; wave mechanics; particle in a box; tunneling; one-dimensional harmonic oscillator; Heisenber’s uncertainty relationship and indeterminacy based on commutation properties of operators; Bohr’s theory and quantum numbers including electron spin; Pauli’s exclusion principle; Spectra of simple systems with one or two valence electrons; photo electric effect; Compton scattering; pair production; Lande’s g factor and Zeeman effect. Raman effect;
III. Solid State Physics Crystal lattice and structure, Bravais lattice, free electron model, Band theory and electron in a periodic potential, Fermi energy and density of states, n and p type semiconductors, physics of the transistor and MOSFET, dielectric properties, magnetic properties and origin of magnetism.
IV. Nuclear Physics Structure of Nuclei; Radioactivity,, and decay; Methods of detection of nuclear radiation, Mass Sepectrometer; Accelerators; Phenomenon of fission; reactor and nuclear power; nuclear fusion and its applications; Elementary particles and their properties.
SUGGESTED READINGS
| S. No. | Title | Author |
|---|---|---|
| 1 | Perspectives of Modern Physics. | A. Beiser. |
| 2 | Fundamentals of Physics. | Halliday & Resnick |
| 3 | Introduction to Electromagnetic Fields and Waves. | D. Corson & P. Lorrain. |
| 4 | Heat and Thermodynamics. | D. Zemansky |
| 5 | Introduction to Quantum Mechanics | D. Griffiths |
| 6 | Modern Physics | Serway, Moses, Moyer. |
| 7 | Solid State Physics | C. Kittel |
CSS Physics Past Papers Analytical Extraction (2000–2025)
The following analysis maps past paper questions from provided CSS Physics examinations to the official syllabus topics. Note: Frequency counts and years appeared are based on the specific papers available in the provided sources (ranging from 2009 to 2025). Percentage weightage is calculated based on the distribution of questions across analyzed years.
PHYSICS PAPER—I Frequency Analysis
| Syllabus Topic | Number of Questions | Years Appeared | Percentage Weightage | Trend (High / Medium / Low) |
|---|---|---|---|---|
| Mechanics (Vectors: Dots, Cross and triple products, Gradient, divergence, curl and applications.) | 35 | 2009, 2010, 2011, 2012, 2014, 2015, 2016, 2017, 2019, 2020, 2023, 2023S, 2025 | 13.5% | High |
| Mechanics (Newtonian laws of motion: calculus based approach to kinematics, forces and dynamics, conservation law of energy; conservation of linear and angular momentum; Dynamics of rigid body; spin and precession; gyroscope; Gravitation; planetary motion and satellites; Kepler’s laws; centripetal forces) | 52 | 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2022, 2023, 2023S, 2025 | 20% | High |
| Mechanics (Special theory of relativity: Michelson-Morley experiment and Einstein’s postulates; Lorentz transformation; time dilation and length contraction; equivalence of mass and energy.) | 42 | 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2023, 2023S, 2025 | 16% | High |
| Fluid Mechanics (Surface tension; Viscosity; Elasticity; fluid motion and Bernoulli’s theorem.) | 36 | 2009, 2010, 2011, 2012, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2023, 2025 | 14% | High |
| Waves and Oscillations, Optics (Free oscillation with one and two degrees of freedom; forced and damped oscillations and phenomenon of resonance; Simple harmonic motion; Traveling waves and transmission of energy; Phase and Group velocity; standing waves; Basics of sound waves.) | 31 | 2009, 2011, 2012, 2013, 2015, 2016, 2017, 2018, 2019, 2020, 2022, 2023, 2025 | 12% | High |
| Waves and Oscillations, Optics (Reflection, Refraction, Interference, Diffraction and Polarization of waves; interfero meter and Newton’s rings; Diffraction Gratings and their resolving power; spectro meters. Electromagnetic wave equation; normal and anamolous dispersion; coherence, lasers and applications.) | 40 | 2009, 2010, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2023, 2023S, 2025 | 15.5% | High |
| Heat and Thermodynamics (Perfect gas, real gas and Van der Waals equation; Three Laws of Thermodynamics; internal energy; temperature; entropy; Thermal properties of simple systems; kinetic theory of gases; Maxwellian distribution of molecular velocities; Brownian motion; Transport phenomena. Classical Maxwell-Boltzmann Statistics and its application; Bose-Einstein and Fermi-Dirac Statistics.) | 24 | 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2022, 2023, 2023S, 2025 | 9% | High |
PHYSICS PAPER—II Frequency Analysis
| Syllabus Topic | Number of Questions | Years Appeared | Percentage Weightage | Trend (High / Medium / Low) |
|---|---|---|---|---|
| Electricity and Magnetism (Electric field due to point charges; Gauss’ law; Electric potential; Poisson and Laplace’s equations; Dielectric medium and Polarization; Capacitance; Moving charges and resulting magnetic field; Ampere’s law; Magnetic properties of matter; Faraday’s law of electromagnetic induction; Alternating current and RLC circuit; Poynting theorem and Poynting Vector. Maxwell’s equations in integral and differential form; scalar and vector potential.) | 75 | 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2020, 2022, 2023, 2023S, 2025 | 28% | High |
| Modern and Quantum Physics (Waves and particles and De Broglie’s Hypothesis; Operators and quantum states; observables; time dependent and independent Schrodinger equation; angular momentum; spin-1/2 particle in a magnetic field; wave mechanics; particle in a box; tunneling; one-dimensional harmonic oscillator; Heisenber’s uncertainty relationship and indeterminacy based on commutation properties of operators; Bohr’s theory and quantum numbers including electron spin; Pauli’s exclusion principle; Spectra of simple systems with one or two valence electrons; photo electric effect; Compton scattering; pair production; Lande’s g factor and Zeeman effect. Raman effect.) | 82 | 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2022, 2023, 2023S, 2025 | 31% | High |
| Solid State Physics (Crystal lattice and structure, Bravais lattice, free electron model, Band theory and electron in a periodic potential, Fermi energy and density of states, n and p type semiconductors, physics of the transistor and MOSFET, dielectric properties, magnetic properties and origin of magnetism.) | 58 | 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2022, 2023S, 2025 | 22% | High |
| Nuclear Physics (Structure of Nuclei; Radioactivity, , and decay; Methods of detection of nuclear radiation, Mass Sepectrometer; Accelerators; Phenomenon of fission; reactor and nuclear power; nuclear fusion and its applications; Elementary particles and their properties.) | 51 | 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2022, 2025 | 19% | High |
PHYSICS PAPER—I Top 5 Most Repeated Topics
- Mechanics (Newtonian laws of motion; dynamics of rigid body; Gravitation; Kepler’s laws)
- Mechanics (Special theory of relativity; time dilation; mass-energy equivalence)
- Waves and Oscillations, Optics (Reflection, Refraction, Interference, Diffraction, Polarization, Lasers)
- Fluid Mechanics (Viscosity; Bernoulli’s theorem)
- Mechanics (Vectors: Gradient, divergence, curl and applications)
PHYSICS PAPER—II Top 5 Most Repeated Topics
- Modern and Quantum Physics (Schrodinger equation; Photoelectric effect; Compton scattering; Bohr’s theory)
- Electricity and Magnetism (Gauss’ law; Ampere’s law; Faraday’s law; Maxwell’s equations)
- Solid State Physics (Semiconductors; Transistors; Band theory; Crystal lattice)
- Nuclear Physics (Radioactivity; Fission; Reactors; Fusion; Elementary particles)
- Modern and Quantum Physics (Waves and particles and De Broglie’s Hypothesis; Heisenber’s uncertainty relationship)







