South Sudan Secondary School Syllabus - Physics (Secondary 4)

This syllabus covers the following units:

Unit 1: Periodic Motion

• Topic 1: Uniform Circular Motion: This topic covers circular motion, centripetal force, angular displacement and velocity, and applications of uniform circular motion.
• Topic 2: Simple Harmonic Motion: This topic explores simple harmonic motion, mass-spring systems, energy changes in simple harmonic motion, and damped and forced oscillations.

Unit 2: Newton's Law of Gravitation

• Topic 3: Newton's Law of Gravitation: This topic covers Newton's Law of Gravitation, orbits of planets and satellites, gravitational field, gravitational potential energy, Kepler's laws, escape velocity, and geostationary orbits.

Unit 3: Wave Reflection, Refraction, Interaction, Interference, and Diffraction

• Topic 4: Wave Reflection, Refraction, Interaction, Interference, and Diffraction: This topic covers wave properties (reflection, refraction, diffraction, interference), the ripple tank and wavefronts, the principle of superposition, resonance, and beats.

Unit 4: Electric Fields and Capacitance

• Topic 5: Electric Fields and Capacitance: This topic covers electric fields, electric potential, electric flux, capacitors, capacitance, charging and discharging capacitors, combinations of capacitors, discharging action at points, and applications of electrostatics.

Unit 5: Magnetic Field and Electromagnetic Induction

• Topic 6: Magnetic Effect of an Electric Current: This topic covers magnetic fields due to current-carrying conductors and solenoids, charged particles in magnetic fields, Biot-Savart's law, force on a current-carrying conductor, and applications of the motor effect.
• Topic 7: Electromagnetic Induction: This topic explores electromagnetic induction, factors affecting induced EMF, laws of electromagnetic induction (Faraday's and Lenz's laws), transformers, and other applications of electromagnetic induction.
• Topic 8: Electric Power Transmission and Household Installation: This topic covers electric power transmission, household electrical installation, household wiring, dangers of electricity, and electrical safety.

Unit 6: Cathode Ray Tube

• Topic 9: Cathode Ray Tube: This topic covers the production and properties of cathode rays, the cathode ray oscilloscope (CRO), and its uses.

Unit 7: Radioactivity and Nuclear Energy

• Topic 10: Radioactivity and Nuclear Energy: This topic explores radioactive decay, half-life, types of nuclear radiation, radiation detectors, equations for radioactive decay, natural and artificial radioactivity, nuclear fission and fusion, and applications of radioactivity.