Mechanics · NCERT / JEE · Class 11
Projectile Motion: Range, Height and the 45° Rule
Understand projectile motion using equations, a worked example, and a free interactive lab. Compare 30°, 45° and 60° launches with answers.
Read explanation ↗LEARNING RESOURCE LIBRARY
Ideas, explanations and experiments.
Explore educational articles published by NANDAX and link each concept to a hands-on simulation.
Oscillations · NCERT / JEE · Class 11
Simple Pendulum: Period, Length and Gravity
Find why a pendulum period follows T ≈ 2π√(L/g). Explore small angles, energy and a guided Class 11 experiment with worked answers.
Read explanation ↗Oscillations · NCERT / JEE · Class 11
Spring–Mass SHM: Hooke’s Law, Period and Energy
Explore spring–mass simple harmonic motion: F = −kx, period, frequency, energy exchange and solved numerical examples with a free lab.
Read explanation ↗Gravitation · NCERT / JEE / NEET · Class 11
Circular Satellite Orbit: Speed, Period and Altitude
Calculate circular orbital speed and period from altitude. Explore a 400 km Earth orbit, gravity and a free satellite simulation.
Read explanation ↗Electricity · NCERT / NEET · Class 10
Ohm’s Law Explained: Voltage, Current, Resistance and Power
Learn V = IR and P = VI with worked circuit calculations, an interactive Ohm’s law experiment, real limitations and Class 10 questions.
Read explanation ↗Physics
Energy Cage and Turning Points: How Potential Energy Controls Motion
Explore energy conservation, allowed regions, turning-point conditions, harmonic/double/finite wells, and worked JEE/NEET numerical examples.
Read explanation ↗Biology
Cardiac Cycle · Heart Dynamics: Complete NCERT and JEE/NEET Learning Guide
Explore one simplified cardiac cycle with ventricular volume, pressure changes, valve states and cardiac output for NCERT and NEET.
Read explanation ↗Chemistry
Chemical Equilibrium · Reaction Shift: Complete NCERT and JEE/NEET Learning Guide
Watch a reversible A ⇌ B reaction approach dynamic equilibrium and examine temperature shifts, reaction quotient and forward/reverse rates.
Read explanation ↗Physics
Rotational Dynamics · Rolling Race: Complete NCERT and JEE/NEET Learning Guide
Race a solid disk, thin hoop and solid sphere down an incline; investigate moment of inertia, static friction and energy partition.
Read explanation ↗Physics
Ray Optics · Virtual Lens Bench: Complete NCERT and JEE/NEET Learning Guide
Build principal-ray diagrams and predict image position, orientation and magnification for convex and concave thin lenses.
Read explanation ↗Physics
Electric Field & Potential Explorer: Complete NCERT and JEE/NEET Learning Guide
Map electric-field arrows, equipotential contours and a draggable probe for single, dipole and multi-charge arrangements.
Read explanation ↗Mathematics
Quadratic Lab · Roots & Discriminant: NCERT and JEE Worked Learning Guide
Move the coefficients of a parabola and watch its vertex, axis, discriminant and real roots change in real time.
Read explanation ↗Mathematics
Trigonometry · Unit Circle & Waves: NCERT and JEE Worked Learning Guide
Link a rotating unit-circle radius to exact sine, cosine, quadrants, phase and frequency of their periodic graphs.
Read explanation ↗Mathematics
Conic Sections · Foci & Eccentricity: NCERT and JEE Worked Learning Guide
Morph between an ellipse, hyperbola and parabola; study eccentricity, foci, directrices and standard equations on a dynamic coordinate plane.
Read explanation ↗Mathematics
Calculus · Tangents & Derivatives: NCERT and JEE Worked Learning Guide
Drag the point of tangency, compare secant and tangent slopes, locate stationary points, and connect differentiation to optimization.
Read explanation ↗Mathematics
Calculus · Definite Integrals & Area: NCERT and JEE Worked Learning Guide
Shade signed area, compare Riemann sums with exact integration, and explore why negative regions subtract from a definite integral.
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