IITJEE: Interactive Physics Virtual Lab Portal

⚡Apex Class Interactive IITJEE Physics Virtual Lab Portal

Master Complete IITJEE Physics Labs in One Click

Filter by syllabus block below or tap any card to launch its interactive SVG visualizer, formula cheat sheet, and PYQ trap solver.

15 Labs100% Syllabus Covered
60+ SimsInteractive SVG States
100+ MarksJEE Main Weightage
Lab 01 • Units & Errors 🎯 4–8 Marks

Dimensional Analysis & Error Propagation

Visualize [MᵃLᵇTᶜ] exponent bars and see why denominator powers always ADD in percentage error.

ΔZ/Z Error Bars [ML⁻¹T⁻¹] Viscosity Homogeneity
🚀 Launch Lab 01
Lab 02 • Experimental 🎯 Guaranteed 4M

Vernier Callipers & Screw Gauge Simulator

Slide jaws and rotate the circular thimble to master Least Count, Positive/Negative Zero Error, and readings.

LC = 1 MSD – 1 VSD ± Zero Error Trap Pitch / 100
🚀 Launch Lab 02
Lab 03 • 1D Motion 🎯 4 Marks

Kinematics Graphs (x-t, v-t, a-t) Synchronizer

Scrub time checkpoints across Position, Velocity, and Acceleration graphs to link Slope and Area.

Slope dx/dt = v Area ∫v dt = Δx Braking Maxima
🚀 Launch Lab 03
Lab 04 • Vector Algebra 🎯 Foundation

Vector Addition, Dot & Cross Product Lab

Rotate angle θ (0°, 60°, 90°, 180°) to compare resultant R, scalar shadow B cosθ, and 3D area A × B.

A · B = 0 (⊥ Test) A × B = 0 (∥ Test) Parallelogram Law
🚀 Launch Lab 04
Lab 05 • 2D Motion 🎯 4–8 Marks

Projectile Motion & River-Boat Crossing Lab

Compare complementary angles (30° vs 60°) and solve Shortest Time vs. Zero Drift river crossings.

R tanθ = 4H Zero Drift sinθ = v_r/v_b Peak KE = K₀cos²θ
🚀 Launch Lab 05
Lab 06 • NLM & Friction 🎯 4–8 Marks

Newton’s Laws, Atwood Pulley & Friction Lab

Inspect dynamic Free Body Diagrams (FBDs) and avoid the self-adjusting static friction incline trap.

T = 2m₁m₂g/(m₁+m₂) Static vs Kinetic f 37° Incline FBD
🚀 Launch Lab 06
Lab 07 • Work & VCM 🎯 4–8 Marks

Work-Energy Theorem & Vertical Circle (VCM)

Track √(5gR), √(3gR), √(gR) speeds and string tension (T_bot – T_top = 6mg) around the vertical loop.

W_all = ΔK v_bottom = √5gR Path Independence
🚀 Launch Lab 07
Lab 08 • COM & Collisions 🎯 4–8 Marks

1D Collisions (Restitution e) & Cavity COM

Test Elastic velocity swaps (e=1), Inelastic sticking (e=0), mid-air shell explosions, and disc cavities (-R/6).

H_n = e²ⁿ H₀ Cavity X = -R/6 Projectile Explosion
🚀 Launch Lab 08
Lab 09 • Rotation 🎯 8–12 Marks

Moment of Inertia, Torque & Incline Rolling

Watch the Sphere vs. Disc vs. Ring incline race, IAOR velocity profile (0, v, 2v), and Axis Theorems.

a = g sinθ/(1+β) IAOR v_top = 2v Parallel Axis I_com+Md²
🚀 Launch Lab 09
Lab 10 • Gravitation 🎯 4–8 Marks

Gravitation g(r), Satellites & Kepler’s Laws

Compare height vs. depth (d = 2h), Escape vs. Orbital speed (v_e = √2 v_o), and Kepler’s areal velocity.

E = -K = U/2 v_max/v_min = (1+e)/(1-e) T² ∝ a³
🚀 Launch Lab 10
Lab 11 • Solids & Fluids 🎯 8 Marks

Stress-Strain, Bernoulli & Surface Tension

Explore NCERT checkpoints (O-A-B-D-E), Thermal Stress, Torricelli water jets, and soap bubbles (4T/R).

u = ½ Stress × Strain R = 2√[h(H-h)] Capillary h = 2Tcosθ/rρg
🚀 Launch Lab 11
Lab 12 • Thermal & KTG 🎯 12–16 Marks

P-V Diagrams, Carnot Engine, KTG & Radiation

Compare Adiabatic vs. Isothermal slopes, Carnot efficiency, Maxwell speeds (RAM), and Wien’s Blackbody Law.

Slope_adia = γ Slope_iso η = 1 – T_C/T_H v_mp : v_avg : v_rms
🚀 Launch Lab 12
Lab 13 • SHM & Waves 🎯 8–12 Marks

SHM Phasors, Organ Pipes, Doppler & Beats

Use the Phasor Circle (T/12 vs T/6), Open/Closed Organ Pipe harmonics, Doppler echoes, and Fork Waxing/Filing.

K = U at ±A/√2 Closed Pipe 1:3:5 Doppler & Beats
🚀 Launch Lab 13
Lab 14 • Electrodynamics 🎯 24–28 Marks

Electrostatics, Bridge, Cyclotron & LCR Resonance

Explore Sphere E/V graphs, Dielectric Slabs, Meter Bridge, RC Transients, Biot-Savart, and Series LCR Resonance.

Dielectric Slab K Meter Bridge & RC LCR Resonance ω₀
🚀 Launch Lab 14
Lab 15 • Optics & Modern 🎯 24–28 Marks

Optics (YDSE), Photoelectric, Nuclear & Logic Gates

Master Silvered Lenses, YDSE Slab Shift, Einstein’s Photoelectric Graph, Binding Energy, Zener Diode, and Logic Gates.

YDSE Slab Shift Photoelectric & Bohr Zener & Logic Gates
🚀 Launch Lab 15
💡 Quick Navigation Tip: Use the category pills at the top to filter labs by JEE Main weightage block, then click any Launch Lab button to jump straight to that interactive simulator on this page!


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