Practice Problems
Physics is not a spectator sport. Attempt each problem, get instant feedback and read the explanation.
🏭 Applied Physics
Energy Technology Practice
10 practice problems on energy technology — solar, wind, batteries and efficiency in the real world.…
10 problemsMedical Physics Practice
10 practice problems on medical physics — X-rays, MRI, ultrasound and radiation in medicine.…
10 problemsSpace Physics Practice
10 practice problems on space physics — orbits, microgravity, rockets and the challenges of spaceflight.…
⚡ Electricity & Magnetism
AC Circuits Practice
10 practice problems on AC circuits — RMS values, frequency, reactance and the AC/DC distinction.…
10 problemsCapacitance Practice
10 practice problems on capacitance — capacitors, dielectrics, energy storage and RC timing.…
10 problemsCircuits Practice — Ohm's Law, Series and Parallel
10 practice problems on electric circuits — Ohm's law, series and parallel resistors, and electric power — wit…
10 problemsElectric Field and Potential Practice
10 practice problems on electric fields and potential — field lines, E = F/q, and voltage as energy per charge…
10 problemsElectrostatics Practice
10 practice problems on electrostatics — charge, Coulomb's law, and charging by friction, conduction and induc…
10 problemsElectromagnetic Induction Practice
10 practice problems on electromagnetic induction — Faraday's law, Lenz's law, generators and transformers.…
10 problemsKirchhoff's Laws Practice
10 practice problems on Kirchhoff's laws — junction rule, loop rule, and multi-loop circuit analysis.…
10 problemsMagnetism Practice
10 practice problems on magnetism — magnetic forces, fields, compasses and the link between electricity and ma…
💧 Fluid Mechanics
Bernoulli Practice 2
10 practice problems on Bernoulli's equation — pressure-velocity tradeoffs in flowing fluids.…
10 problemsBuoyancy Practice 2
10 practice problems on buoyancy — Archimedes' principle, floating vs sinking, and apparent weight.…
10 problemsFluids Practice — Pressure, Buoyancy and Bernoulli
10 practice problems on fluid mechanics — pressure, buoyancy, continuity and Bernoulli's equation — with full …
10 problemsPressure Practice 2
10 practice problems on pressure — hydrostatic pressure, Pascal's principle and pressure units.…
10 problemsViscosity and Flow Practice
10 practice problems on viscosity, laminar vs turbulent flow, and Stokes' law.…
📐 Math for Physics
Algebra for Physics Practice
10 practice problems on the algebra skills physics demands — rearranging equations and solving for unknowns.…
10 problemsCalculus for Physics Practice
10 practice problems on calculus for physics — derivatives as rates, integrals as accumulation.…
10 problemsGraphing Motion Practice
10 practice problems on graphing motion — reading position, velocity and acceleration graphs.…
10 problemsSignificant Figures Practice 2
10 practice problems on significant figures and scientific notation — reporting measurements honestly.…
10 problemsTrigonometry for Physics Practice 2
10 practice problems on trigonometry for physics — SOHCAHTOA, components, and inverse trig.…
10 problemsVectors Practice — Vector Math for Physics
10 practice problems on the math of physics — vectors, scalars, trigonometry, graphs and significant figures —…
🚀 Classical Mechanics
Circular Motion Practice
10 practice problems on circular motion — centripetal force, acceleration, orbital speed and banked curves.…
10 problemsEnergy and Momentum Practice — Work, Power and Collisions
10 practice problems on work, energy, power and momentum — conservation laws, collisions and real calculations…
10 problemsForces Practice — Newton's Laws Problems
10 practice problems on forces and Newton's laws — net force, inertia, friction and action-reaction — with ful…
10 problemsFriction Practice Set 2
10 practice problems on friction — static vs kinetic, friction on inclines, and friction in accelerated system…
10 problemsGravitation Practice
10 practice problems on gravitation — Newton's law, orbital motion, escape velocity and weightlessness.…
10 problemsKinematics Practice — Motion, Speed and Acceleration Problems
10 practice problems on kinematics — speed, velocity, acceleration and SUVAT equations — with instant feedback…
10 problemsMomentum and Collisions Practice 2
10 practice problems on momentum and collisions — elastic vs inelastic, impulse, and recoil.…
10 problemsProjectile Motion Practice
10 practice problems on projectile motion — range, height, flight time and the independence of horizontal and …
10 problemsSUVAT Equations Practice
10 practice problems on the SUVAT equations of uniformly accelerated motion — choosing the right equation and …
10 problemsTorque Practice
10 practice problems on torque — lever arms, balance, rotational equilibrium and the vector nature of torque.…
10 problemsWork and Energy Practice 2
10 practice problems applying the work-energy theorem — work by gravity, springs, brakes and power.…
⚛️ Modern Physics
Atomic Structure Practice
10 practice problems on atomic structure — Bohr model, energy levels, spectra and electron shells.…
10 problemsModern Physics Practice — Photoelectric Effect, Relativity and Radioactivity
10 practice problems on modern physics — the photoelectric effect, E = mc², half-life and relativity — with fu…
10 problemsNuclear Physics Practice
10 practice problems on nuclear physics — radioactivity, half-life, fission, fusion and binding energy.…
10 problemsPhotoelectric Effect Practice 2
10 practice problems on the photoelectric effect — work function, threshold frequency and photon energy.…
10 problemsQuantum Basics Practice
10 practice problems on quantum basics — photons, wave-particle duality, and the uncertainty principle.…
10 problemsSpecial Relativity Practice
10 practice problems on special relativity — time dilation, length contraction, and mass-energy equivalence.…
🔭 Optics
Optical Instruments Practice
10 practice problems on optical instruments — microscopes, telescopes, cameras and the human eye.…
10 problemsLenses Practice 2
10 practice problems on lenses — converging and diverging image formation, power and magnification.…
10 problemsMirrors Practice
10 practice problems on mirrors — plane, concave and convex image formation and ray diagrams.…
10 problemsOptics Practice — Reflection, Refraction and Lenses
10 practice problems on optics — reflection, refraction, Snell's law, lenses and mirrors — with full explanati…
10 problemsPolarization Practice
10 practice problems on polarization — polarizers, Malus's law, Brewster's angle and applications.…
10 problemsRefraction Practice 2
10 practice problems on refraction — Snell's law, critical angle, total internal reflection and dispersion.…
10 problemsWave Optics Practice
10 practice problems on wave optics — diffraction, thin-film interference, gratings and resolution.…
🔥 Thermodynamics
Heat Engines Practice
10 practice problems on heat engines, refrigerators and the Carnot efficiency limit.…
10 problemsEntropy and Second Law Practice
10 practice problems on entropy and the second law — disorder, irreversibility and the arrow of time.…
10 problemsFirst Law of Thermodynamics Practice
10 practice problems on the first law of thermodynamics — internal energy, heat, work and energy conservation.…
10 problemsGas Laws Practice
10 practice problems on gas laws — Boyle, Charles, and the ideal gas law PV = nRT.…
10 problemsHeat Practice — Thermodynamics, Specific Heat and Gas Laws
10 practice problems on heat and thermodynamics — specific heat, the ideal gas law, heat engines and entropy —…
10 problemsHeat Transfer Practice
10 practice problems on heat transfer — conduction, convection, radiation and thermal conductivity.…
10 problemsPhase Changes Practice
10 practice problems on phase changes — melting, boiling, latent heat and heating curves.…
🌊 Waves & Oscillations
Doppler Effect Practice 2
10 practice problems on the Doppler effect — approaching vs receding sources, redshift, and real applications.…
10 problemsWave Interference Practice
10 practice problems on wave interference — superposition, constructive and destructive interference, path dif…
10 problemsSimple Harmonic Motion Practice
10 practice problems on simple harmonic motion — pendulums, springs, period, frequency and energy.…
10 problemsSound Waves Practice
10 practice problems on sound waves — speed, intensity, pitch, loudness and the decibel scale.…
10 problemsStanding Waves Practice
10 practice problems on standing waves — nodes, antinodes, harmonics and resonance in strings and pipes.…
10 problemsWave Basics Practice
10 practice problems on wave basics — wave speed, frequency, wavelength, and transverse vs longitudinal waves.…
10 problemsWaves Practice — Wave Equation, Sound and Doppler Effect
10 practice problems on waves — the wave equation, sound, Doppler effect and standing waves — with full explan…