Form 6 Physics Notes FORM 6 PHYSICS: ENVIRONMENTAL PHYSICS PART – 1 msomimaktaba, November 6, 2018February 13, 2019 (i) Agriculture physics – Influence of solar radiation on plant growth. – Influence of wind, humidity, rainfall and air temperature on plant growth. – Soil environmental component which influence plant growth. (ii) Energy from the environment Photovoltaic energy Wind energy Geothermal energy Wave energy (iii) Geophysics (Earth quakes)… Continue Reading
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 3: RADIOACTIVITY msomimaktaba, November 6, 2018February 13, 2019 The 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 from the Greek word atom which means indivisible. The Greeks concluded that matter could be broken down into particles to small to be… 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 7: MEASUREMENT OF THERMAL ENERGY msomimaktaba, November 6, 2018February 13, 2019 Heat Capacity Heat capacity is the amount of heat required to raise the temperature of an object or substance by one degree. The temperature change is the difference between the final temperature ( Tf) and the initial temperature ( Ti). The Factors which Determine Heat Quality of a Substance… Continue Reading
Form 3 Physics Notes PHYSICS FORM THREE PHYSICS FORM THREE TOPIC 6: TRANSFER OF THERMAL ENERGY msomimaktaba, November 6, 2018February 13, 2019 Conduction The Concept of Conduction of Heat Explain the concept of conduction of Heat Conduction is the transfer of heat energy through solids, for example, metals. Generally solid substances contain particles which are close together. Each particle vibrates at one position but cannot move to another position. Solid materials… 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 4: OPTICAL INSTRUMENT msomimaktaba, November 6, 2018February 13, 2019 Simple Microscope The Structure of the Simple Microscope Describe the structure of the simple microscope A magnifying glass, an ordinary double convex lens with a short focal length, is a simple microscope. The reading lens and hand lens are instruments of this type. When an object is placed nearer… 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 9: SUSTAINABLE ENERGY RESOURCE msomimaktaba, November 6, 2018August 2, 2021 Sustainable energy, specifically renewable energy or green energy, is an energy source which can be replenished, that is essentially inexhaustible. Sustainable sources of energy include solar, wind, water, biomass and geothermal. Non renewable energy sources include coal, oil and natural gas. Water Energy The Generation of Electricity from Water Explain… Continue Reading
Form 2 Physics Notes PHYSICS FORM TWO TOPIC 6: MOTION IN STRAIGHT LINE. msomimaktaba, November 6, 2018February 13, 2019 Motion In Straight Line Motion is the change of position of an object from one place to another. There are two types of motions; i.Circular motion-Is the motion of an object in a circle. Examples; a/. motion of the electron around the nucleus of an atom b/.revolutionary movement of… Continue Reading
Form 2 Physics Notes PHYSICS FORM TWO TOPIC 5: SIMPLE MACHINES msomimaktaba, November 6, 2018February 13, 2019 Simple Machines A simple machine is a non-powered mechanical device that changes the direction or magnitude of a force. In general, they can be defined as the simplest mechanisms that use mechanical advantage (also called leverage) to multiply force. A simple machine uses a single applied force to do… 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