Form 4 Physics Notes PHYSICS FORM FOUR TOPIC 6: ELEMENTARY ASTRONOMY msomimaktaba, November 6, 2018February 13, 2019 Introduction to Astronomy The Concept of Astronomy Explain the concept of astronomy Astronomy is a branch of science which deals with the study of origin,evolution, composition, distance and the motion of all bodies and scattered matter in the universe. Universe is the totality of space and time together with… Continue Reading
Form 4 Physics Notes PHYSICS FORM FOUR TOPIC 5: ELECTRONIC msomimaktaba, November 6, 2018February 13, 2019 Semi Conductors The Concept of Energy Band in Solids Explain the concept of energy bands in solids In solid-state physics, the electronic band structure (or simply band structure) of a solid describes those ranges of energy that an electron within the solid may have (called energy bands, allowed bands, or… Continue Reading
Form 4 Physics Notes PHYSICS FORM FOUR TOPIC 2: ELECTROMAGNETISM msomimaktaba, November 6, 2018February 13, 2019 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 by the interaction of an electric current with a magnetic field. The interaction can result in a force causing the conductor carrying the… Continue Reading
Form 4 Physics Notes PHYSICS FORM FOUR TOPIC 1: WAVESIntroduction to Waves msomimaktaba, November 6, 2018February 13, 2019 The Concept of Wave Explain the concept of a wave A wave is a disturbance that travels through a medium from one location to another location. Consider a slinky wave as an example of a wave. When the slinky is stretched from end to end and is held at rest,… Continue Reading
Form 3 Physics Notes PHYSICS FORM THREE TOPIC 9: THERMAL CURRENT ELECTRICITY msomimaktaba, November 6, 2018February 13, 2019 Electromotive force (emf) and potential difference (pd) The Concept of Electromotive Force (emf) and Potential Difference (PD) Explain the concept of electromotive force (emf) and potential difference (pd) Potential difference (P.d) is the difference in potential between two charged points of conductor. It is measured in volts with… Continue Reading
Form 3 Physics Notes PHYSICS FORM THREE TOPIC 8: VAPOUR AND HUMIDITY msomimaktaba, November 6, 2018February 13, 2019 Vapour The Process of Evaporation of Liquid Explain the process of evaporation of liquid Vapours These are molecules which escape into the atmosphere after liquids are heated. When a liquid is heated strongly then molecules tends to escape ( those molecules are called vapour). Most liquids evaporates at any temperature… Continue Reading
Form 3 Physics Notes PHYSICS FORM THREE TOPIC 5: THERMAL EXPANSION msomimaktaba, November 6, 2018February 13, 2019 Thermal Energy The Concept of Heat Explain the concept of heat Heat – Is the transfer of energy due to temperature differences. Temperature – Is the degree of hotness or coldness of a body. Or heat is a form of energy which raises the temperature of the substance…. Continue Reading
Form 3 Physics Notes PHYSICS FORM THREE TOPIC 3: LIGHT msomimaktaba, November 6, 2018February 13, 2019 Light is aform of energy which controls the sense of vision. Reflection of Light from Curved Mirrors Difference between Concave and Convex Mirrors Distinguish between concave and convex mirrors Concave mirror is a spherical mirror whose reflecting surface is curved inwards. A Good example is the driving mirror of… Continue Reading
Form 3 Physics Notes PHYSICS FORM THREE TOPIC 2: FRICTION msomimaktaba, November 6, 2018February 13, 2019 Concept of Friction The Concept of Friction Explain the concept for friction Friction is the force which opposes (resists) motion of the body for example: If a block of wood is placed on a table it remains at rest Unless it is acted upon by an external force…. Continue Reading
Form 2 Physics Notes PHYSICS FORM TWO TOPIC 4: FORCES IN EQUILIBRIUM msomimaktaba, November 6, 2018February 13, 2019 Moment of a Force The Effects of Turning Forces Explain the effects of turning forces A force is a push or pull which when applied to a body it will change its state either by stopping it if it was in motion or making it move if it was… Continue Reading
Form 2 Physics Notes PHYSICS FORM TWO TOPIC 2: CURRENT ELECTRICITY msomimaktaba, November 6, 2018February 13, 2019 Electric current is the rate of charge flow past a given point in an electric circuit, measured in Coulombs/second which is named Amperes. In most DC electric circuits, it can be assumed that the resistance to current flow is a constant so that the current in the circuit is… Continue Reading
Form 1 Physics Notes PHYSICS FORM ONE TOPIC 3: MEASUREMENT msomimaktaba, November 6, 2018February 13, 2019 The Concepts of Measurement Measurement is the process of assigning numbers to observations or events. Importance of Measurement in Real Life State the importance of measurement in real life Measurements are so often taken for granted, we sometimes do not appreciate the grand importance measurements play in… Continue Reading