Physics
9 chapters · 76 sims live
Class 12 electricity & magnetism, Chapters 1–7, plus Class 11 laws of motion and work, energy & power — live and interactive, with the library growing every month.
For physics teachers · every Indian board · CBSE · ICSE · State boards
The moving picture you can’t draw on a whiteboard.
You spent years learning to explain what a blackboard cannot show. Viditra is the picture that finally moves — every field line, force and circuit alive on your screen, driven by you, at the pace of your lesson. The simulation stays silent. Your voice is the lesson.
No sign-up needed — touch a real sim right in your browser.
76simulations live, in 2D and 3D
Nine chaptersready to teach today
State by statereviewed with real professors
Why simulations
Diagrams freeze. Physics moves.
You’ve drawn this a hundred times — the circle, the arrows, the crosses — and said “imagine it moving.” Now it moves, at the pace of your explanation.
On your board
The teaching surface
Built for the way you actually teach.
Per-state controls — each step exposes only the slider it teaches. Try it.
- Full 3D, in your hands. Orbit around the field, look along the axis — see the physics from any angle, on a laptop or a phone.
- Reorder the lesson mid-class. Drag simulation states to match the flow of your explanation.
- Draw on the physics itself. A pen and whiteboard sit on top of the live simulation.
- One control at a time. Each state shows only the slider it teaches — the full set unlocks at the end.
- Watch it click. The moment the physics starts to move, you see the idea land — that look on a student’s face is why you teach.
- Accurate by construction. Every frame is computed from the equations — never hand-drawn animation.
How it works
Three steps to a lesson they’ll remember.
- 1Pick a concept
Organized by topic — matches CBSE, ICSE and state board syllabi alike.
- 2Teach it live
Step through states, draw, pause, reorder.
- 3Show, don’t tell
Accurate motion answers the “why” words can’t.
One library, every Indian board
Find the topic you’re teaching this week.
Organized the way physics is taught in Indian classrooms — CBSE, ICSE and state boards — not a pile of demos, but chapters built deep enough to teach start to finish. Nine chapters are ready to teach now — 76 simulations — and the library grows every month.
Teach today Class 12 · Electricity & Magnetism
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Ch 1Electric Charges & Fields11 sims
Coulomb’s law · field of a point charge · force on a charge · dipole field · charge distributions · electric flux · Gauss’s law — sphere, line, sheet & solid sphere
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Ch 2Electrostatic Potential & Capacitance9 sims
What potential means · potential of a point charge · dipole potential · potential of a system of charges · equipotential surfaces · potential energy of a system · potential energy in an external field · the parallel-plate field · capacitance
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Ch 3Current Electricity13 sims
Drift velocity · Ohm’s law · resistivity · combinations of resistors · EMF · internal resistance · electrical power · Kirchhoff’s junction & loop rules · combination of cells · Wheatstone bridge · metre bridge · potentiometer
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Ch 4Moving Charges & Magnetism9 sims
The magnetic field B · force on a moving charge · the right-hand rule · why magnetic force does no work · circular & helical motion in a uniform field · why the cyclotron period doesn’t depend on speed · force between parallel currents · force on a current-carrying wire
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Ch 5Magnetism & Matter5 sims
The bar magnet as a dipole · Gauss’s law for magnetism · a bar magnet in a uniform field · Earth’s magnetism · magnetisation & magnetic intensity
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Ch 6Electromagnetic Induction6 sims
Magnetic flux · Faraday’s law · motional EMF · the AC generator · eddy currents · inductance
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Ch 7Alternating Current8 sims
AC through a resistor · phasors · AC through an inductor · AC through a capacitor · the series LCR circuit · power factor · LC oscillations · the transformer
Teach today Class 11 · Mechanics
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Laws of Motion10 sims
Newton’s first law · free-body diagrams · the normal force · connected bodies · Newton’s second law · tension · a block on an incline · Newton’s third law · friction · rolling friction
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Work, Energy & Power5 sims
The work–energy theorem · work done by a constant force · positive, negative & zero work · kinetic energy · conservative vs non-conservative forces
Coming next
- Ch 8Electromagnetic WavesPlanned
- Class 11 · VectorsIn progress
Teaching a chapter that isn’t here yet? Tell us on the form — we build next what teachers ask for first.
Subjects
Starting with physics.
Mathematics
Coming soon
Curves, transformations and calculus you can bend with your hands.
Chemistry
Coming soon
Bonds, orbitals and reactions as moving structure, not flat diagrams.
About
Made with teachers, in classrooms.
Every simulation is shaped by professors teaching real students, reviewed state by state, before it ships. If it doesn’t survive a live classroom, it doesn’t go in.
The physics is accurate by construction: rendering engines compute each frame from the governing equations, in real time. Nothing is key-framed, nothing is approximated art — so what your students see is what the mathematics says.
And it follows the NCERT backbone — the physics doesn’t change by board, so the same simulation teaches CBSE, ICSE and state board classrooms alike. Your lesson stays yours; the simulation is the picture inside it.
Teachers bring the creativity. Viditra brings the visibility.
Pricing
One plan. Your whole campus.
Built for junior colleges, academies and institutes — every teacher on campus, one subscription.
Institutes & junior colleges
Founding Circle · limited early slots
Talk to us
Priced per campus. Your rate is locked for as long as you stay — even as subjects and chapters keep being added.
The first ten institutes join as our Founding Circle at a reduced rate, locked for life. Once those places are taken, standard pricing applies.
- Every physics teacher on campus — an account each
- Every simulation across every live chapter — and every chapter and subject we add
- Onboarding and training for your department, with your first chapter loaded and your first class taught alongside you
- Priority support — a direct line to the founder, not a queue
We start with a free live demo class with your teachers, on your own smart board or screen, on the chapter you’re teaching this week. No commitment until they say it works.
Contact usTell us your college, how many physics teachers, and which chapters you teach this term — we’ll reply the same week.
Covers your own live classes — online, offline, projector, smart board. Publishing the simulations in public content (YouTube, social media, recorded courses) and white-label use need a separate licence — ask us.
Let your teachers try it before you decide.
One week free. The full library. No card, no form. Your physics faculty sign in with Google and are teaching with these sims in the next minute — then we talk about your campus.
Start your free trialFounding Circle · the first ten institutes lock a reduced rate for life · cancel anytime