Published concept labs
JEE physics and chemistry study map
Published interactive labs for forming visual models of mechanics, electrostatics, optics, waves, molecular structure, reaction rates, and titration.
How to use this page
Open a lab, vary one input at a time, and write down the relationship you observe. Then return to your textbook or problem set and explain the same relationship without the visual aid.
JEE route labs
These two published labs live directly under the JEE route and focus on electric fields and mechanics practice.
Published interactive lab
JEE Electric Fields — Interactive Physics Practice
Practice JEE-level electric field and potential problems interactively, visualizing field lines and equipotentials for point charges, dipoles, and charge distributions.
Concepts: electric field, electric potential, Gauss's law
Published interactive lab
JEE Mechanics Challenge — Forces & Motion Practice
Sharpen JEE mechanics skills with interactive problems on Newton's laws, friction, projectile motion, and rotational dynamics with instant visual and analytical feedback.
Concepts: Newton's laws, free-body diagram, friction
Physics models
Use these published labs to explore trajectories, oscillations, circuits, refraction, and interference patterns.
Published interactive lab
Projectile Motion Simulator — Interactive Physics Lab
Launch a projectile with adjustable angle, speed, gravity, mass, and air resistance. Compare planets, target a landing point, and read live range and height data.
Concepts: projectile motion, parabolic trajectory, air resistance
Published interactive lab
Pendulum Lab — Multi-Pendulum Simulator with RK4
Simulate up to 4 pendulums online with RK4 integration. Adjust length, mass, angle, damping, and coupling. Compare planets, view phase space and energy graphs. Free interactive pendulum simulator.
Concepts: simple pendulum, damped oscillation, coupled pendulums
Published interactive lab
Circuit Lab — Interactive Schematic & DC Simulator
Build and simulate DC circuits online with this free circuit lab. Place resistors, capacitors, LEDs, voltage sources, and more, then run nodal analysis to see voltage, current, and power.
Concepts: Ohm's law, nodal analysis, Kirchhoff's laws
Published interactive lab
Refraction Lab — Snell's Law & Total Internal Reflection
Explore Snell's law and total internal reflection with this free online refraction simulator. Choose optical media, set the incident angle, and observe refraction, reflection intensity, and TIR with white light.
Concepts: Snell's law, refraction, total internal reflection
Published interactive lab
Wave Interference Simulator — 2D Interference Patterns
Simulate 2D wave interference online with up to 8 sources. View displacement, intensity, or phase maps in real time. Adjust frequency, wavelength, phase, and amplitude per source.
Concepts: wave interference, constructive and destructive interference, Young's double slit
Chemistry models
Explore molecular geometry, reaction mechanisms, and acid-base titration with the currently published chemistry labs.
Published interactive lab
Molecular Lab – Build & Visualize 3D Molecules Online
Build molecules in 3D, apply VSEPR theory, and explore bonding in this free interactive online molecular lab simulator for geometry and polarity.
Concepts: VSEPR theory, molecular geometry, bond polarity
Published interactive lab
Reaction Kinetics – Mechanisms & Rate-Determining Step
Explore elementary reaction steps, rate-determining steps, and reaction coordinate diagrams in this free interactive online reaction kinetics simulator.
Concepts: elementary reaction step, rate-determining step, steady-state approximation
Published interactive lab
Titration Lab Simulator – Acid-Base Curves Online
Perform virtual strong acid-base, weak acid-base, and polyprotic acid titrations and analyze equivalence points in this free interactive online titration lab.
Concepts: equivalence point, titration curve, pH indicator