In this Physics lesson, you will learn the following topics; 1. MECHANICS *Quantities and their units/ measurements *Motion: projectile motion, linear motion, Newton’s laws of motion. *Energy: work, energy and power, simple machines *Friction *Equilibrium of forces *Simple harmonic motion *Fluid and solid: simple structure of matter, fluid at rest, deformation of solid. 2. ASTROPHYSICS *Satellite *Rockets 3. THERMODYNAMICS *Heat and temperature: temperature, thermal expansion and gas laws *Heat transfer: temperature gradient, thermal conductivity, and heat flux, thermos flask, sea, and land breeze. *Heat energy: heat capacity and specific heat capacity, change of state. *Evaporation and boiling: humidity, relative humidity and dew point, vapour, formation of dew, mist, fog and rain. 4. WAVE *Wave *Sound wave: sources of sound wave, speed of sound in different mediums, understanding beats, echo and reverberation and their application, characteristics of sound, noise and music. *Vibration in springs and pipes: forced vibration and resonance, harmonics and overtones, vibration of air in pipes. 5. LIGHT AND OPTICS *Reflection of light: Sources of light, propagation of light, formation of shadow and eclipse, pin hole camera. formation of images by plane, concave and convex, use of the mirror formula. *Refraction of light: refraction of light through plane and curved surface, definition of refractive index of a meduim, real apparent and lateral displacement, critical angle, total internal reflection and fiber optics. *Application of lense in optical instruments: simple camera etc, angular magnification, the human eyes, dispersion of white light, colours. 6. FIELD *Description of field *Gravitational field: Newton’s law of gravitation, gravitational field intensity and gravitational potential, escape velocity. *Electric field1: production of charges, types of distribution of charges, electric lines of force, storage of charges. *Electric field 2: electric field, electric field intensity and electric potential, capacitance. *Current electricity: simple cell, potential difference and electric current, resistors, ohm’s law. *Energy and power: shunt and multiplier, resistivity and conductivity, electrical measurement . *Magnetic field: concept of magnetic field, electric motor and moving coil galvanometer, the earth’s magnetic field . *Electromagnetic field: concept of electromagnetic field, electromagnetic induction and application e.g generator, transformer, eddy current, inductance, power transmission and distribution. *Simple a.c circuit: graphical representation of e.m.f and current in a.c circuit, peak and RMS value, resonance in a.c circuit, reactance and impedance in a.c. circuit, power in a.c circuit, series circuit containing capacitor, resistor and inductor, vector diagram. 7. ATOMIC PHYSICS *Structure of the atom: energy quantization, photoelectric effect, thermionic emission and application, x-ray *Laser *Semiconductors *Structure of the nucleus: composition of the nucleus, radioactivity, nuclear reaction. *Wave particle paradox: electron diffraction, duality of matter.
