Interactive 3D labs for Class 11–12, NEET and JEE. Change the parameters, watch what happens, and finally understand why.
These are the real labs students use — not videos. Keep scrolling to switch experiments.
Set the launch speed and watch the orbit stretch from a circle into an ellipse — and finally escape.
Pull back one to four balls and watch the same number swing out. Make the collisions inelastic and see the swing die away.
Change the slit separation and wavelength and see the fringes move, widen and shrink in real time.
Vary the length and amplitude, time the period and discover when the small-angle formula stops working.
NaOH runs from the burette into HCl; phenolphthalein turns pink exactly at the end point.
The chemistry engine works out gas, heat and colour from the amounts — nothing is a pre-made animation.
Stop memorising diagrams. Build the intuition that exams — and real science — reward.
Physics runs on proper integrators with SI units and real constants. Chemistry works out colour, gas, heat, pH and emf from the amounts you actually use.
Every lab plots the quantities your textbook talks about, while you change the sliders — so cause and effect is obvious.
Aim, theory, formulas, procedure, common mistakes and viva questions sit right next to every experiment.
Aligned to NCERT Class 11–12, with NEET and JEE level labs that go beyond the textbook.
Mix the wrong reagents, overheat a flask, short a circuit. Reset the bench and try again — no lab fees, no hazards.
One account, one subscription. Pick up on your phone exactly where you stopped on your laptop.
51 chapters and units across Class 11 and 12. Pick a subject and a class to see what is inside.
Browse by class, chapter or exam. Free labs open the moment you sign up.
Move sliders, pour reagents, heat, stir, titrate. The simulation responds instantly.
Read the graphs and readouts, check the theory, then test yourself with the viva questions.
Choose Physics, Chemistry or an all-access bundle. Prices and discount coupons are on the pricing page.
Yes. A number of labs in every subject are free forever and need no card. You only pay when you want the NEET-level and advanced labs.
NCERT Class 11 and 12 Physics and Chemistry, plus NEET and JEE level labs that go beyond the textbook.
No. The labs run in your browser using WebGL, on a phone or a laptop. There is also an Android app with the same account.
Yes. The graphics adapt to your device, and every lab has a quality switch if your phone is older.
Choose Physics, Chemistry or an all-access bundle and a level (Basic, Pro, Ultimate). Plans last a fixed period such as 30 days and never renew automatically.
The labs run real equations: physics with proper numerical integrators and SI units, chemistry with a reaction engine that works out colour, gas, heat and pH. They are simplified models for learning, not safety guidance.
Yes, switch between English and हिन्दी any time from the header. The interface and the physics lab notes (theory, steps, hints) are available in both languages.
Press the Report button inside the lab. It reaches our team with the lab attached, and you get a reply in your notifications.
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