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Physics Fundamentals Blog

In-depth articles on physics fundamentals written by physicists and educators. Clear explanations, real-world examples, and the conceptual depth you won't find in a typical textbook.

Physics Fundamentals Blog

Circular Motion and Centripetal Force: Formula, Charged Particles & Worked Examples

Ohm's Law V = IR: Formula, Circuits, Power & 4 Worked Examples

Electric Charge and Coulomb's Law: F = kq₁q₂/r² Explained

Simple Harmonic Motion: x = A cos(ωt), Period & Energy — Full Guide

The Doppler Effect: Formula, Examples & Applications — Sound, Light & Radar

Ideal Gas Law PV = nRT: What R Is, Derivation & 4 Worked Examples

Specific Heat Capacity: Formula Q = mcΔT, Values & Worked Examples

The Electromagnetic Spectrum: Wavelengths, Frequencies & Properties

Entropy Explained: Definition, Formula ΔS = Q/T & the Second Law

Acceleration in Physics: a = Δv/Δt Formula, Types & 4 Worked Examples

Special Relativity: Time Dilation, Length Contraction & E = mc² Explained

Hooke's Law F = kx: Spring Constant, Elastic PE & 3 Worked Examples

Work Done in Physics: Formula W = Fd cosθ, Examples & Common Mistakes

Magnetic Fields and Forces: F = qvB, Lorentz Force & 3 Worked Examples

Free Fall and Terminal Velocity: Definition, Formula & 3 Worked Examples

Velocity vs Speed: Vector vs Scalar, Formulas & 3 Worked Examples

Second Law of Thermodynamics: Entropy, Heat Engines & Carnot Efficiency

Friction Force: Types, Formula f = μN & 4 Worked Examples

Angular Momentum: L = Iω, Conservation Law & Real-World Examples

Longitudinal Waves: Definition, Examples, Sound & Compression Waves

Electric Field and Potential: E = F/q, V = kQ/r Explained with Worked Examples

Torque in Physics: τ = rF sinθ Formula, Worked Examples & Applications

Kinetic Energy: Definition, Formula KE = ½mv², Examples

Nuclear Fission and Fusion: E = mc², Binding Energy & How They Work

Reflection and Refraction: Laws, Snell's Law & Critical Angle Explained

Power in Physics: Formula P = W/t, P = Fv & 4 Worked Examples

The Photoelectric Effect: Einstein's Equation, Work Function & 3 Worked Examples

Momentum and Impulse: p = mv Formula, Conservation Law & 3 Worked Examples

Speed of Light: c in m/s, km/h & km/s — Why It's Constant Explained

Wave-Particle Duality: de Broglie, Double-Slit & What Happens When Photons Hit Metal

Newton's Law of Universal Gravitation: F = Gm₁m₂/r² Full Guide

Young's Double-Slit Experiment: Fringe Formula, Proof & Applications

Heat Transfer: Conduction, Convection and Radiation — Formulas & Examples

Electromagnetic Induction: Faraday's Law, Lenz's Law & Applications

Heisenberg Uncertainty Principle: ΔxΔp ≥ ℏ/2 — Explained Simply

SUVAT Equations: All 4 Kinematic Formulas, Derivations & 4 Worked Examples

Centre of Mass: Definition, Formula & Worked Examples

Radioactive Decay: Alpha, Beta, Gamma, Half-Life Formula & Examples

Tension Force: Definition, Formula T = mg, Atwood Machine & Examples

Normal Force: Definition, Formula N = mg & Worked Examples

Why Is Projectile Motion a Parabola? Physics Explained with Proof

Kinetic Theory of Gases: Pressure, Temperature & Molecular Motion

Wave Speed Frequency Wavelength: v = fλ Explained — Formula, Examples & Applications

Newton's Law of Gravitation F = Gm₁m₂/r²: Formula & Worked Examples

First Law of Thermodynamics: ΔU = Q − W Explained with Worked Examples

Conservation of Momentum: Formula, Elastic vs Inelastic Collisions & 3 Examples

Projectile Motion: Range, Height & Time Formulas with 4 Worked Examples

What Is Energy in Physics? Definition, Types, Conservation & Units

Newton's Second Law F = ma: Formula, Which Law It Is & 5 Worked Examples

Transverse Waves: Definition, Properties, and Examples

Newton's Laws of Motion: All Three Laws, Formulas & Examples

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