TOPIC 4: THERMIONIC EMISSION | PHYSICS FORM 4
Thermionic Emission
Thermionic emission is the discharge of electrons from heated materials, widely used as a source of electrons in conventional electron tubes (e.g., television...
TOPIC 3: RADIOACTIVITY | PHYSICS FORM 4
he Nucleus of an Atom
The Structure of the Nucleus of an Atom
Describe the structure of the nucleus of an atom
The word atom is derived...
TOPIC 2: ELECTROMAGNETISM | PHYSICS FORM 4
Magnetic Fields due to a Current-carrying Conductor
How Electric Current Produce a Magnetic Field
Explain how electric current produces a magnetic field
Electromagnetism is the effect produced...
TOPIC 1: WAVES | PHYSICS FORM 4
Introduction to Waves
The Concept of Wave
Explain the concept of a wave
A wave is a disturbance that travels through a medium from one location to...