Refresher Course In Physics

Lesson 1 • Graphical Analysis of Physical Data

Teaches linearization, slope interpretation, and curve fitting for experimental data. Builds analytical skills applied in every laboratory-style problem.

Lesson 2 • SI Units and Physical Quantities

Covers the seven base SI units and derived quantities essential to physics. Establishes the unit framework used throughout the entire course.

Lesson 3 • Scalars, Vectors, and Notation

Distinguishes scalar and vector quantities and introduces standard notation. Provides the mathematical language required for mechanics and electromagnetism.

Lesson 1 • Vectors in Two-Dimensional Motion

Extends kinematics to two dimensions using vector decomposition. Enables analysis of projectile and circular motion trajectories.

Lesson 2 • One-Dimensional Motion Equations

Reviews constant-acceleration kinematics equations and their derivations. Forms the algebraic core for all subsequent dynamics problems.

Lesson 3 • Circular and Rotational Kinematics

Introduces angular displacement, angular velocity, and centripetal acceleration. Bridges linear kinematics to rotational dynamics covered in the next chapter.

Lesson 1 • Friction, Normal Force, and Inclines

Analyses static and kinetic friction on flat and inclined surfaces. Extends free-body diagram skills to realistic contact-force scenarios.

Lesson 2 • Circular Motion and Centripetal Force

Applies Newton's second law to objects in uniform circular motion. Connects centripetal acceleration from kinematics to real force sources.

Lesson 3 • Multi-Body and Pulley Systems

Solves connected-object problems using constraint equations and Newton's laws. Prepares students for energy and momentum analysis of complex systems.

Lesson 4 • Newton's Three Laws Reviewed

Restates inertia, net force, and action-reaction pairs with precise definitions. Anchors all force analysis performed in this chapter.

Lesson 1 • Power and Efficiency

Defines power as the rate of energy transfer and introduces efficiency ratios. Connects energy concepts to practical machine and engine performance.

Lesson 2 • Work and the Work-Energy Theorem

Defines work done by constant and variable forces and links it to kinetic energy change. Provides the energy framework for all subsequent conservation problems.

Lesson 3 • Potential Energy and Conservation

Introduces gravitational and elastic potential energy and the conservation of mechanical energy. Enables energy-based solutions without requiring force details.

Lesson 4 • Elastic and Inelastic Collisions

Applies momentum and energy conservation to classify and solve collision problems. Completes the energy-momentum toolkit for dynamic system analysis.

Lesson 1 • Universal Gravitation and Orbital Motion

Reviews Newton's law of gravitation and applies it to satellite orbits and Kepler's laws. Connects rotational dynamics to large-scale celestial mechanics.

Lesson 2 • Moment of Inertia and Angular Acceleration

Introduces moment of inertia for common shapes and applies the rotational form of Newton's second law. Enables calculation of angular acceleration under applied torques.

Lesson 3 • Rotational Kinetic Energy and Work

Extends energy concepts to rotating systems and combines translational and rotational kinetic energy. Completes the energy analysis of rolling and spinning objects.

Lesson 4 • Angular Momentum and Its Conservation

Defines angular momentum and derives its conservation under zero net torque. Explains real phenomena such as spinning figure skaters and gyroscopes.

Lesson 1 • Entropy and Heat Transfer Mechanisms

Quantifies entropy change and explains conduction, convection, and radiation. Connects the second law to real-world thermal management challenges.

Lesson 2 • Laws of Thermodynamics

States and applies the zeroth through third laws of thermodynamics to physical systems. Provides the theoretical foundation for heat engine and refrigerator analysis.

Lesson 3 • Thermodynamic Processes and Cycles

Analyses isothermal, adiabatic, isobaric, and isochoric processes on P-V diagrams. Enables calculation of work, heat, and efficiency for cyclic engines.

Lesson 4 • Temperature, Heat, and Thermal Expansion

Distinguishes temperature from heat and quantifies thermal expansion in solids and liquids. Establishes thermal fundamentals before introducing thermodynamic laws.

Lesson 1 • Sound Waves and the Doppler Effect

Analyses sound intensity, decibel scale, and frequency shifts due to relative motion. Connects wave theory to practical acoustic and medical imaging applications.

Lesson 2 • Wave Properties and Classification

Defines amplitude, wavelength, frequency, and wave speed for transverse and longitudinal waves. Establishes the vocabulary and equations used throughout this chapter.

Lesson 3 • Physical Optics: Diffraction and Polarisation

Explains single-slit diffraction, double-slit interference, and polarisation of light. Extends geometric optics to wave-based phenomena at small scales.

Lesson 4 • Geometric Optics: Reflection and Refraction

Applies the law of reflection and Snell's law to mirrors and lenses. Enables ray-diagram construction and image location for optical instruments.

Lesson 1 • Modern Physics: Quantum and Nuclear Concepts

Covers the photoelectric effect, de Broglie wavelength, atomic models, and radioactive decay. Bridges classical physics to quantum and nuclear phenomena at an introductory level.

Lesson 2 • Electrostatics and Electric Fields

Reviews Coulomb's law, electric field lines, and Gauss's law for symmetric charge distributions. Provides the field concept underlying all electromagnetic analysis.

Lesson 3 • DC Circuits and Circuit Analysis

Applies Ohm's law, Kirchhoff's rules, and series-parallel combinations to DC circuit problems. Enables systematic analysis of resistor, capacitor, and battery networks.

Lesson 4 • AC Circuits and Electromagnetic Waves

Introduces RLC circuits, resonance, and the electromagnetic spectrum. Connects circuit behaviour to the generation and propagation of electromagnetic radiation.