Physics — From the
Atom to the Ātman
The oldest and most rigorous investigation of reality — practised across five millennia, two hemispheres, and one continuous thread of inquiry. Physics is the grammar of the universe. Here, you learn to read it.
Physics began with
observation
Long before the word "physics" entered any European language, the Indian civilisation was already measuring planetary motion, constructing geometric altars to exact specifications, and composing hymns that describe the universe emerging from a single undifferentiated field.
nāsīd rajo no vyomā paro yatṚgveda 10.129.1 — Nāsadīya Sūkta
"There was neither existence nor non-existence then; there was neither the realm of space nor the sky beyond."
This verse — from the oldest surviving philosophical text in any Indo-European language — describes a pre-cosmic state that modern physicists call the quantum vacuum: not empty, not full, but a field of pure potentiality from which space, time, and matter precipitate.
The Śulba Sūtras contain the theorem attributed to Pythagoras — centuries earlier. Āryabhaṭa declared a heliocentric model and calculated the Earth's circumference. Bhāskara described gravitational attraction before Newton was born. This is not pride. It is historical record.
Beginning in the 16th century, a parallel tradition of inquiry matured in Europe — built on empirical measurement, mathematical formalism, and the controlled experiment. This lineage did not replace the older one. It rediscovered, in its own language, many of the same truths.
What follows is not a civilisational comparison. It is the recognition that physics is one inquiry pursued by the entire human species. The timeline below interleaves both traditions — because that is how they actually relate.
The Western lineage arrived — through external measurement — at precisely the insights the Indian lineage reached through internal realisation. Schrödinger read the Upaniṣads. Bohr placed the yin-yang on his coat of arms. Oppenheimer quoted the Gita. These are not forced analogies. They are structural parallels that the greatest physicists of the 20th century acknowledged explicitly.
The Indian tradition never separated the observer from the observed. Physics in this lineage was always a contemplative act as much as an empirical one. At Geeta-Physics, we teach the complete physics — not one tradition against another, but both as facets of a single investigation into the nature of the real.
The Architecture of Physics
Six domains. One discipline. Click any domain to explore — or begin with Mechanics, where all journeys start.
Mechanics
Units → GravitationThe complete classical foundation — units & errors, kinematics, Newton's laws, energy, rotational dynamics, properties of matter, fluids, and gravitation.
Waves & Optics
Oscillations · Light · InterferenceSHM, damped and forced oscillations, mechanical waves, sound, ray optics, wave optics — interference, diffraction, polarisation.
Electromagnetism
Electrostatics → EM WavesElectrostatics, Gauss's law, current electricity, RC and LR circuits, magnetic effects, electromagnetic induction, AC circuits, and Maxwell's equations.
Thermodynamics
Kinetic Theory · Entropy · EnginesKinetic theory of gases, the laws of thermodynamics, heat engines, the Carnot cycle, entropy, and statistical mechanics.
Modern Physics
Atoms · Nuclei · SemiconductorsPhotoelectric effect, de Broglie hypothesis, Bohr's atomic model, nuclear structure, radioactivity, fission, fusion, and semiconductor devices.
Quantum Foundations
Wavefunctions · Hilbert Space · VedāntaThe complete quantum framework — Schrödinger equation, operators, uncertainty, tunnelling, hydrogen atom, spin, and the Vedāntic parallels.
Choose your track
Every student arrives with a different need. Three tracks — all rigorous, all cross-referenced — each with its own recommended path through the domains above.
Every topic built from first principles, with the mathematical rigour examiners demand and the conceptual clarity that turns memorisation into understanding. The student who understands the concept will solve problems they have never seen before.
Covers the full JEE Main, JEE Advanced, NEET, AP Physics, and international Olympiad syllabus.
Physics as it appears in the engineering disciplines — grounded in vector calculus, translated into circuits and signals, and applied to materials, structures, and systems. For building things that work.
Designed for B.Tech/B.E. students and working professionals revisiting fundamentals.
Quantum mechanics taught not as a recipe book of formulas but as a confrontation with the nature of the real. Full mathematical apparatus, cross-referenced with the Vedāntic view where the parallels are precise.
For M.Sc. aspirants, physics majors, and sincere seekers who refuse the surface.
Concept → Mathematics → Visualisation → Problems → Insight
Concept
Every topic begins with the physical idea — stated in plain language, grounded in observation. You understand what is happening before you calculate anything.
Mathematics
The concept expressed in its natural language — equations, derivations, and the precise mathematical structure that makes physics a science.
Visualisation
Diagrams, graphs, and physical analogies that make the mathematics visible. The mind that can see the physics will never forget it.
Problems
Carefully chosen problems that test understanding, not memory. Graded from direct application to multi-concept challenges.
Insight
The cross-Loka dimension. Where does this physics connect to a Vedic principle, a musical pattern, a philosophical question? This makes learning irreversible.
The universe is already speaking.
Start with Mechanics — the foundation of everything that follows. All content is freely available.
