See the guide for this topic. 8.1 – Energy sources Specific energy and energy density of fuel sources Specific energy and energy density are useful measures of the energy that will be released from…

The International Baccalaureate Organization (known as the IB) offers four high-quality and challenging educational programmes for a worldwide community of schools, aiming to create a better, more …

See the guide for this topic. D.4 – Stellar processes The Jeans criterion Stars form when a portion of interstellar cloud collapses gravitationally. The Jeans mass criterion is determined by asking…

See the guide for this topic. 4.1 – Oscillations Simple harmonic oscillations Oscillations are periodic motions which center around an equilibrium position. Simple harmonic motion (SHM) is a specia…

Internal Assessments in IB Physics can very easily boost your exam grade. And it’s not particularly hard to write one that scores 5/6 or 6/6 for each section. Today, let us first focus on the Evalu…

Topic 7: Atomic, nuclear and particle physics See the guide for this topic. 7.1 – Discrete energy and radioactivity Discrete energy and discrete energy levels The electrons of an atom can occupy certain …

Option B: Engineering Physics (HL) See the guide for this topic. B.3 – Fluids and fluid dynamics Density and pressure Density may be defined as where ρ is density, m is mass, and V is volume. Pressure …

See the guide for this topic. D.1 – Stellar quantities Objects in the universe The solar system is comprised of the Sun, eight planets, several dwarf planets, numerous moons, and hundreds of …

See the guide for this topic. 1.1 – Measurements in physics Fundamental and derived units Fundamental SI units Quantity SI unit Symbol Mass Kilogram kg Distance Meter m Time Second s …

See the guide for this topic. 11.1 – Electromagnetic induction Electromotive force (emf) When a conducting wire moves through a magnetic field, a potential difference is created along the wire. Thi…