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Physics, one idea at a time.
Read the explanation, check the model limits, then test your prediction in the interactive experiment. Explore 260 lessons across 28 Class 11 and Class 12 chapters and a collection of 65 virtual practical labs.
Explore interactive physics →Units & Measurements
Class 11 · 7 free experiments
Motion in a Straight Line
Class 11 · 7 free experiments
Motion in a Plane
Class 11 · 7 free experiments
Laws of Motion
Class 11 · 9 free experiments
Work, Energy & Power
Class 11 · 8 free experiments
Particles & Rotational Motion
Class 11 · 10 free experiments
Gravitation
Class 11 · 7 free experiments
Mechanical Properties of Solids
Class 11 · 5 free experiments
Mechanical Properties of Fluids
Class 11 · 10 free experiments
Thermal Properties of Matter
Class 11 · 10 free experiments
Thermodynamics
Class 11 · 8 free experiments
Kinetic Theory
Class 11 · 6 free experiments
Oscillations
Class 11 · 7 free experiments
Waves
Class 11 · 8 free experiments
Electric Charges & Fields
Class 12 · 7 free experiments
Potential & Capacitance
Class 12 · 8 free experiments
Current Electricity
Class 12 · 9 free experiments
Moving Charges & Magnetism
Class 12 · 7 free experiments
Magnetism & Matter
Class 12 · 4 free experiments
Electromagnetic Induction
Class 12 · 5 free experiments
Alternating Current
Class 12 · 7 free experiments
Electromagnetic Waves
Class 12 · 3 free experiments
Ray Optics & Optical Instruments
Class 12 · 9 free experiments
Wave Optics
Class 12 · 5 free experiments
Dual Nature of Radiation & Matter
Class 12 · 4 free experiments
Atoms
Class 12 · 5 free experiments
Nuclei
Class 12 · 6 free experiments
Semiconductor Electronics
Class 12 · 7 free experiments
Practical apparatus
Practical apparatus · 65 free experiments
- Vernier caliper
- Screw gauge
- Irregular solid displacement volume
- Spherometer curvature
- Beam balance mass
- Parallelogram force apparatus
- Pendulum length and stopwatch
- Sliding and rolling friction
- Incline spring-balance reading
- Paper scale least count
- Metre-scale moments
- Graph scales and error bounds
- Projectile range and protractor
- Double-incline energy transfer
- Pendulum energy dissipation
- Young modulus wire apparatus
- Spring load–extension apparatus
- Boyle-law gas syringe
- Capillary rise with detergent
- Falling-sphere viscosity
- Cooling-curve thermometer
- Solid and liquid calorimetry
- Sonometer length and tension
- Resonance-tube sound speed
- Wax freezing plateau
- Bimetal-strip thermal bending
- Liquid expansion capillary
- Heat-loss surface factors
- Loaded metre-scale depression
- Bernoulli flow apparatus
- Wire resistivity VI graph
- Metre bridge combinations
- Galvanometer half deflection
- Ammeter and voltmeter conversion
- AC sonometer resonance
- Core-dependent coil impedance
- Multimeter setup and reading
- Bulb branches and fuse model
- Find a virtual circuit fault
- Wire probe potential gradient
- Concave-mirror u-v bench
- Convex mirror with converging lens
- Convex-lens reciprocal plot
- Concave lens in a converging beam
- Prism minimum-deviation reading
- Travelling-microscope slab readings
- Liquid lens with plane mirror
- Forward and reverse diode meters
- Identify components and marking codes
- Diode and LED meter check
- LDR lamp distance readings
- Glass-slab pin and shift reading
- Slit diffraction screen probe
- Collect an image on a screen
- Combined-lens focal measurement
- Cell EMF and internal factors
- LDR response to lamp power
- Transformer turns and RMS meters
- Hollow-prism liquid comparison
- Pith-ball polarization and contact
- Coil inductance geometry
- Tangent-galvanometer alignment
- Zener reverse-breakdown meters
- Optical needle-parallax focus
- Post-office-box resistance balance