NCERT · Class 11 & 12

• Anatomy of Flowering Plants note

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• Animal Kingdom note

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• Biodiversity and Conservation note

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• Biological Classification note
• Classification explorer — Biology Lab simulation-2d

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• Biomolecules note
• Enzyme kinetics — Biology Lab simulation-2d

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• Biotechnology and Its Applications note

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• Biotechnology: Principles and Processes note
• PCR amplification — Biology Lab simulation-2d

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• Body Fluids and Circulation note
• Double circulation — Biology Lab simulation-2d

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• Breathing and Exchange of Gases note
• Mechanics of breathing — Biology Lab simulation-2d

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• Cell Cycle and Cell Division note
• Mitosis & meiosis — Biology Lab simulation-2d

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• Cell: The Unit of Life note

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• Chemical Coordination and Integration note

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• Ecosystem note
• Energy pyramid — Biology Lab simulation-2d

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• Evolution note

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• Excretory Products and Their Elimination note
• Urine formation — Biology Lab simulation-2d

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• Human Health and Disease note

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• Human Reproduction note

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• Locomotion and Movement note

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• Microbes in Human Welfare note

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• DNA & RNA pairing — Biology Lab simulation-2d
• Molecular Basis of Inheritance note

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• Morphology of Flowering Plants note

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• Nerve impulse — Biology Lab simulation-2d
• Neural Control and Coordination note

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• Organisms and Populations note
• Population growth — Biology Lab simulation-2d

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• Limiting factors — Biology Lab simulation-2d
• Photosynthesis in Higher Plants note

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• Plant Growth and Development note

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• Plant Kingdom note

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• Principles of Inheritance and Variation note
• Punnett square — Biology Lab simulation-2d

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• Reproductive Health note

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• Respiration in Plants note

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• Sexual Reproduction in Flowering Plants note

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• Structural Organisation in Animals note

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• The Living World note

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• Slope & signed area mathematics

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• AC generator simulation-2d
• AC peak and RMS simulation-2d
• Alternating Current collection
• LCR response to DC and AC simulation-2d
• Power factor and reactive current simulation-2d
• Reactance, impedance and phasors simulation-2d
• Series LCR resonance simulation-2d
• Transformer turns ratio simulation-2d

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• Atoms collection
• Bohr hydrogen levels simulation-2d
• Hydrogen spectral transitions simulation-2d
• Hydrogen-like ions simulation-2d
• Rutherford alpha scattering simulation-2d
• X-ray continuum and target lines simulation-2d

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• Current Electricity collection
• Drift velocity and mobility simulation-2d
• Electrical power and Joule heating simulation-2d
• EMF and terminal voltage simulation-2d
• Kirchhoff junction and loop rules simulation-2d
• Ohmic and non-linear VI curves simulation-2d
• Resistance combinations simulation-2d
• Resistivity and temperature simulation-2d

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• de Broglie wavelength simulation-2d
• Dual Nature of Radiation & Matter collection
• Photoelectric collecting curves simulation-2d
• Photoelectric threshold simulation-2d
• Photons build an interference pattern simulation-2d

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• Charge transfer and conservation simulation-2d
• Coulomb force simulation-2d
• Electric Charges & Fields collection
• Electric dipole field and torque simulation-2d
• Electric flux and Gauss law simulation-2d
• Gaussian wire, sheet and shell simulation-2d
• Point-charge field and field lines simulation-2d
• Superposition and charged ring simulation-2d

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• Eddy-current magnetic braking simulation-2d
• Electromagnetic Induction collection
• Faraday flux and induced EMF simulation-2d
• Lenz law direction simulation-2d
• RC, LR and LC transients simulation-2d
• Self and mutual inductance simulation-2d

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• Displacement current simulation-2d
• Electromagnetic spectrum simulation-2d
• Electromagnetic Waves collection
• Transverse electromagnetic wave simulation-2d

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• Explore the gravitational energy well simulation-2d
• Gravitation collection
• Match a sidereal rotation simulation-2d
• Probe gravity inside and above Earth simulation-2d
• Resize a satellite orbit simulation-2d
• Separate two attracting masses simulation-2d
• Test the escape-energy threshold simulation-2d
• Trace an equal-area orbit simulation-2d

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• Change molecular collision density simulation-2d
• Change molecular mass and temperature simulation-2d
• Compare monatomic and diatomic gases simulation-2d
• Compress an ideal gas isothermally simulation-2d
• Distribute energy across active modes simulation-2d
• Kinetic Theory collection
• Link wall impacts to pressure simulation-2d

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• Action and reaction simulation-2d
• Apparent weight in a lift simulation-2d
• Balance three forces simulation-2d
• Dry or lubricated simulation-2d
• Impulse and contact time simulation-2d
• Inertia trolleys simulation-2d
• Laws of Motion collection
• Level and banked roads simulation-2d

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• Bar magnet and equivalent solenoid simulation-2d
• Dia, para and ferromagnetism simulation-2d
• Magnetic dipole fields and torque simulation-2d
• Magnetism & Matter collection
• Magnetization and temperature simulation-2d

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• Change tube radius and wetting simulation-2d
• Compare a drop and soap bubble simulation-2d
• Drain a tank and compare lift pressure simulation-2d
• Drop a sphere through viscous liquid simulation-2d
• Find the pipe-flow transition simulation-2d
• Link a pair of pistons simulation-2d
• Lower a pressure probe simulation-2d
• Mechanical Properties of Fluids collection

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• Compare loaded wires simulation-2d
• Compress and shear a material simulation-2d
• Mechanical Properties of Solids collection
• Store energy in a wire and beam simulation-2d
• Stretch within the elastic range simulation-2d
• Watch sideways contraction simulation-2d

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• Dot & cross products simulation-2d
• Head-to-tail vectors simulation-2d
• Independent x & y motion simulation-2d
• Motion in a Plane collection
• Projectile trajectory simulation-2d
• Resolve a force simulation-2d
• Tangent & inward acceleration simulation-2d
• Vector & unit vector simulation-2d

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• Average & instantaneous simulation-2d
• Constant acceleration simulation-2d
• Distance & displacement simulation-2d
• Motion in a Straight Line collection
• Reference frames simulation-2d
• Relative velocity simulation-2d
• Uniform vs changing motion simulation-2d

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• Ampere wire and solenoid simulation-2d
• Biot–Savart circular coil simulation-2d
• Current-loop torque and moment simulation-2d
• Galvanometer and meter conversion simulation-2d
• Lorentz force and circular motion simulation-2d
• Moving Charges & Magnetism collection
• Oersted current and compass simulation-2d
• Wire force and parallel currents simulation-2d

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• Alpha beta gamma changes simulation-2d
• Binding energy per nucleon simulation-2d
• Decay populations and half-life simulation-2d
• Fission and fusion energy balance simulation-2d
• Mass defect and binding simulation-2d
• Nuclear size and composition simulation-2d
• Nuclei collection

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• Align periodic signals simulation-2d
• Change a mass and spring simulation-2d
• Drive an oscillator near resonance simulation-2d
• Oscillations collection
• Project circular motion into SHM simulation-2d
• Track energy through one oscillation simulation-2d
• Tune a small-angle pendulum simulation-2d
• Twist a torsional pendulum simulation-2d

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• Accelerate a rotating wheel simulation-2d
• Can the ladder stay balanced? simulation-2d
• Compare shapes around an axis simulation-2d
• Find the balance point simulation-2d
• Follow a collision centre simulation-2d
• Move the force lever simulation-2d
• Particles & Rotational Motion collection
• Pull rotating masses inward simulation-2d

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• Capacitor energy simulation-2d
• Charge and dipole potential energy simulation-2d
• Dielectric polarization simulation-2d
• Equipotential surfaces simulation-2d
• Free charge in conductors and insulators simulation-2d
• Parallel-plate capacitance simulation-2d
• Potential & Capacitance collection
• Potential of charges and dipoles simulation-2d

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• Compound optical power simulation-2d
• Curved boundary refraction simulation-2d
• Glass slab refraction simulation-2d
• Lens shape and optical power simulation-2d
• Microscope and telescope simulation-2d
• Plane mirror reflection simulation-2d
• Prism deviation and dispersion simulation-2d
• Ray Optics & Optical Instruments collection

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• Bands and thermal excitation simulation-2d
• Half and full-wave rectification simulation-2d
• Intrinsic and doped carriers simulation-2d
• Junction bias and diode IV simulation-2d
• LED photodiode and solar cell simulation-2d
• Logic gates and truth tables simulation-2d
• Semiconductor Electronics collection
• Zener load regulation simulation-2d

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• Bring two blocks into contact simulation-2d
• Compare absorption and emission simulation-2d
• Conduct heat through two layers simulation-2d
• Explore water near 4°C simulation-2d
• Heat a solid, liquid and ideal gas simulation-2d
• Heat ice through state changes simulation-2d
• Mix hot and cold materials simulation-2d
• Shift a blackbody spectrum simulation-2d

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• Audit the direction of heat flow simulation-2d
• Balance heat, work and internal energy simulation-2d
• Compare fast and slow gas compression simulation-2d
• Compare isothermal and adiabatic paths simulation-2d
• Compare three thermal states simulation-2d
• Explore an ideal-gas state simulation-2d
• Set the temperature limits of an engine simulation-2d
• Thermodynamics collection

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• Dimensional applications simulation-2d
• Dimensional balance simulation-2d
• Precision ruler simulation-2d
• SI unit builder simulation-2d
• Significant figures simulation-2d
• Uncertainty laboratory simulation-2d
• Unit conversion simulation-2d
• Units & Measurements collection

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• Coherence and visibility simulation-2d
• Huygens wavefront refraction simulation-2d
• Polarizers and Brewster angle simulation-2d
• Single-slit diffraction simulation-2d
• Wave Optics collection
• Young double-slit fringes simulation-2d

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• Change the speed of sound in a gas simulation-2d
• Combine nearby frequencies simulation-2d
• Compare open and closed air columns simulation-2d
• Compare transverse and longitudinal motion simulation-2d
• Control a traveling harmonic wave simulation-2d
• Identify string nodes and harmonics simulation-2d
• Move a source and an observer simulation-2d
• Overlap incident and reflected pulses simulation-2d

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• Braking and kinetic energy simulation-2d
• Collisions in 1D and 2D simulation-2d
• Equal work, different power simulation-2d
• Keep a vertical loop taut simulation-2d
• Spring and potential energy simulation-2d
• Track energy balance simulation-2d
• Two routes, different losses simulation-2d
• Work under a force curve simulation-2d

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