GATE PH syllabus 2027
Physics
An MSc-level physics paper covering mechanics, electromagnetism, quantum theory and solid-state physics: the standard route into IIT/IISc PhD and research-fellowship programs.
Syllabus sections
- Mathematical Physics
- Classical Mechanics
- Electromagnetic Theory
- Quantum Mechanics
- Thermodynamics & Statistical Physics
- Atomic & Molecular Physics
- Solid State Physics
- Electronics
- Nuclear & Particle Physics
Subject-wise weightage (indicative)
| Topic | Typical marks |
|---|---|
| General Aptitude | 15 |
| Electromagnetic Theory | 10–13 |
| Quantum Mechanics | 8–12 |
| Thermodynamics & Statistical Physics | 8–12 |
| Mathematical Physics | 6–13 |
| Nuclear & Particle Physics | 7–11 |
| Classical Mechanics | 8–11 |
| Solid State Physics | 7–10 |
| Atomic & Molecular Physics | 8–9 |
| Electronics | 6–9 |
Weightage is indicative, based on recent papers. It varies year to year.
About the GATE PH paper
GATE Physics tests MSc-level physics rather than an engineering-adjacent version of it. There is no “easy half” of the syllabus: Classical Mechanics, Electromagnetic Theory and Quantum Mechanics are each treated at the depth of a full postgraduate course, and problems frequently require combining two sections (say, statistical mechanics and solid-state physics for a Fermi-gas question) rather than testing one topic in isolation.
The candidate pool is unusually mixed for a GATE paper. A large share come from dedicated physics programs (BSc/MSc Physics), while another significant share are engineering graduates, often from Engineering Physics, Applied Physics or even core branches, who studied physics as a foundation subject rather than a specialization. Both groups can clear the paper, but they typically need to shore up different gaps: engineering-background candidates usually need more time on Statistical Physics, Atomic & Molecular Physics and Nuclear & Particle Physics, while physics-program candidates often need to sharpen Electronics and numerical problem-speed, since GATE rewards fast, exact computation under time pressure more than a typical university physics exam does.
What each section of the syllabus covers
Mathematical Physics. Vector calculus, linear algebra and matrices, complex analysis with the residue theorem, Fourier and Laplace transforms, and the standard ordinary and partial differential equations of physics. It is examined directly, but its larger role is as the toolkit every other section draws on, so weakness here quietly costs marks everywhere.
Classical Mechanics. Lagrangian and Hamiltonian formulations, central force motion and Kepler orbits, small oscillations and normal modes, rigid body dynamics, and special relativity. Engineering-background candidates usually find the Lagrangian and Hamiltonian machinery the least familiar part.
Electromagnetic Theory. Electrostatics and magnetostatics with boundary value problems, Maxwell’s equations, electromagnetic waves and their propagation, and radiation. Consistently one of the highest-scoring sections by marks, so it repays thorough preparation.
Quantum Mechanics. The postulates, the Schrodinger equation for standard potentials, the harmonic oscillator, angular momentum and spin, the hydrogen atom, and time-independent perturbation theory. A heavyweight section that also underpins atomic, molecular and solid-state questions.
Thermodynamics & Statistical Physics. The laws of thermodynamics, thermodynamic potentials and Maxwell relations, and the classical and quantum statistics of Maxwell-Boltzmann, Bose-Einstein and Fermi-Dirac systems. Fermi-gas and black-body problems recur and often combine with solid-state physics.
Atomic & Molecular Physics. Atomic spectra and selection rules, spin-orbit coupling and fine structure, the Zeeman effect, and molecular rotational, vibrational and electronic spectra including basic lasers. Rewards recall of specific selection rules more than derivation.
Solid State Physics. Crystal structure and reciprocal lattice, X-ray diffraction, lattice vibrations and phonons, the free-electron and band theories of solids, and basic semiconductor and magnetic properties. Frequently paired with statistical physics.
Electronics. Semiconductor devices, diode and transistor circuits, operational amplifiers, and digital logic fundamentals. Physics-program candidates often need the most practice here, since it is the most engineering-flavoured section.
Nuclear & Particle Physics. Nuclear properties and models, radioactive decay, nuclear reactions, and the elementary classification of particles and their interactions. Small by marks but self-contained and fast to revise, so it is poor economy to skip.
How to prepare
- Rebuild each section from a standard textbook first, not from problem sets. GATE PH questions assume you can derive results, not just recognise them.
- Prioritise by both weightage and connectivity. Mathematical Physics, Quantum Mechanics and Electromagnetic Theory are worth the most time, partly because they carry more marks directly, and partly because weak fundamentals there cost you marks in other sections too.
- Practice numerical-answer-type questions deliberately. A large fraction of the core marks are NAT questions with no partial credit and no elimination shortcut, so speed and arithmetic accuracy matter as much as concept clarity.
- Work section-wise PYQs before year-wise ones, then move to full timed mocks once all nine sections are covered, to fix pacing across a 3-hour paper that spans very different kinds of physics.
- Keep a formula and constants sheet you rebuild from memory weekly. Nuclear & Particle Physics and Atomic & Molecular Physics in particular reward recall of specific numbers and selection rules that are easy to forget between study sessions.
A note on General Aptitude
General Aptitude is 15 marks in every GATE paper, GATE PH included, and it is graded the same way regardless of your specialization: verbal reasoning, quantitative aptitude and analytical reasoning questions that have nothing to do with physics. Because the rest of the PH paper is dense and derivation-heavy, GA is easy to deprioritise in a study plan, but it is proportionally one of the highest-return sections available: the effort-to-mark ratio is far better here than in, say, an extra hour spent on nuclear shell models. Treat it as a fixed weekly slot rather than something to “pick up near the exam.”
Recommended books for GATE PH
- Introduction to Electrodynamics by David J. Griffiths
- Classical Mechanics by Herbert Goldstein
- Introduction to Quantum Mechanics by David J. Griffiths
- Fundamentals of Statistical and Thermal Physics by F. Reif
Frequently asked questions
What is the exam pattern for GATE PH?
65 questions for 100 marks in 3 hours: 15 marks of General Aptitude and 85 marks of core Physics, drawn from nine sections and mixing MCQ, MSQ and Numerical Answer Type questions.
I'm from an engineering college, not a pure-science one. Can I still attempt GATE PH?
Yes: GATE PH has no eligibility restriction tied to your degree stream, and a meaningful share of test-takers come from engineering backgrounds (often via an Engineering Physics or Applied Physics minor) rather than a BSc/MSc Physics program. The syllabus assumes MSc-level depth regardless of where you studied it, so the gap to close is usually Classical Mechanics, Statistical Physics and Solid State Physics: subjects that get thinner coverage in most engineering curricula than in a physics honours program.
Which sections carry the most weight, and should I skip the smaller ones?
Electromagnetic Theory, Quantum Mechanics and Thermodynamics & Statistical Physics have historically carried the largest individual shares of the 85 core marks, with Mathematical Physics close behind since it underpins problem-solving across every other section. Nuclear & Particle Physics and Electronics are smaller individually but are self-contained and fast to revise, so skipping them for extra time on the big three is a poor trade: the marks lost are disproportionate to the time saved.
Is GATE PH useful if I only want a PhD and have no interest in PSU or government jobs?
Yes, that is in fact the primary use of this paper for most candidates. A valid GATE PH score is a standard (and at many institutes, mandatory) screening criterion for MSc-to-PhD and direct PhD admission in physics departments at the IITs, IISc and several other CSIR/DAE-funded institutes, independent of any interest in the GATE-linked PSU recruitment or MTech routes that other papers are more commonly used for.