Work is equal to the force times the distance and is measured in joules. Welcome to physics 101 basic concepts of physics hunter college. It contains a general description of the laser, a theoretical treatment and a characterization of its operation as it deals with gas, solid state, freeelectron and semiconductor lasers. A branch of chemistry and physics that studies chemical processes from the point of view of physics by investigating physicochemical phenomena using techniques from atomic and molecular physics and condensed matter physics. The period of class in high school may be 50 minutes.
Work work occurs in physics when a force acts on an object to move it some distance. Physics makes noteworthy offerings in new technologies that rise from theoretical advances. It covers everything from sound and light to nuclear science and geology. Absolute magnitude a classification scheme, which compensates for the distance, differences to stars. In mathematics, physics, and engineering, a vector is a geometric object that has a magnitude or length and direction and can be added to other vectors according to vector. Physics is a progressive science as scientists change their mind all the time, so dont be shock when a change is made. Our universe would then be just one of an enormous number of separate and distinct parallel universes, the vast majority of which would be dead and uninteresting, not having a set of physical laws which would allow the emergence of stars, planets and life.
The definitions were produced by the principal examiners for ph1, 2, 4 and 5 working as a team. Pdf basic physics module for first year students in university. It consists of the definitions of terms from the current asa specification. Basic physics physics is the natural science that studies the matter and its motion and behaviour through space and time and that studies the related entities of energy and force. Period definition the time required to complete a single cycle. Physical quantities and units physical quantities are characterized by their numerical value magnitude and associated unit. Direction of force direction of associated acceleration. To place the definitions in broader mathematical contexts, most entries also refer to sections in this teachers reference manual. Physics is one of the most fundamental branch of science which deals with studying the behavior of matter. Kinematics is the study of the motion of points, objects, and groups of objects without considering the causes of its motion.
Spacebased astronomy activity guide for science, mathematics, and technology education3 how to use this guide. Basic laws of physics that govern our universe can be categorized in two ways. Alternative definition of newtons 2 nd law the rate of change of momentum of a body is directly proportional to the resultant force applied and is in the direction of the resultant force. As i discuss in this introcjuctory section, the equations that govern the motions of electrons and of nuclei are not the familiar newton equatrons. Watt the watt is the standard unit of measure for power. All definitions needed for a level mini physics learn. Scientific laws and theories express the general truths of nature and the body of knowledge they encompass. Basic physics formula definition, equations, examples toppr. You are provided with the definitions, diagrams, and the complete theory on each and every topic.
Physics is all about articulating the things with real values and not memorizing them up. Physics learn basic physics definition and branches of. This formula book is in pdf format and it can prove to be very helpful when you want to revise all your concepts on the go. In this topic, we have given about the physics important terms and definitions. A semiintuitive approach to those notions underlying tensor analysis is given via scalars, vectors, dyads, triads, and similar higherorder vector products. Choose from 500 different sets of terms and definitions chapter 1 basic physics flashcards on quizlet. Indeed, the marriage of quantum mechanics the physics of the very small with general relativity the physics of the very large is believed by some to be the crucial step in formulating a general theory of everything that will hopefully contain all the basic laws of nature in one package. Physics definitions the nature of the nature is same for all of us only those whocontemplate became extraordinary in discovering physics dr. In a definition, terms in italics are defined elsewhere in the glossary. Note that bold text indicates that the quantity is a vector. Here are is all the jargon you need to know in order to understand physics at gcse. The basics of physics boundless physics lumen learning.
Matter is generally considered to be anything that has mass and volume. The case of interest is where the quantity y being measured, called the measurand, is not measured directly, but is determined from n other quantities x 1, x 2. Physics is a branch of science that studies matter and its motion as well as how it interacts with energy and forces. A light corpuscle, or the basic pocket of electromagnetic radiation. Classical physics that deals with us, the surrounding environment and the observable universe around us.
Physics key terms and definitions revision universe. The introduction to physics you get in this site will explain laws and principles that are accepted as of today. Physics terms definitions and units page 2 this document is issued by the wjec to assist teachers with the preparation of candidates for the gce examination in physics. Feedback from users of this guide is essential for the development of future editions and other classroom supplementary materials. Note that this is a onesemester terminal physics course, and it does not fulfill. The turning effect of a force or moment or torque about a point is defined as the force x the. All comparative exam asked question related to physics terms. This is the transfer of heat by means of invisible rays, which travel outwards from the hot object, without needing a medium. Download physics formulas and concept pdf for class 11, 12, iitjee, pmt and other competitive exams. Laws of physics and applications of all physics laws byjus. Physics formulas basic formulas for physics with examples.
Because of this, its been divided into different branches so that scientists can. The refraction of light is the bending of light as it. When individuals are doing so, one come across many concepts. The reflection of light is the bouncing back of light from a surface. Physics, is a major science, dealing with the fundamental constituents of the universe, the forces they exert on one another, and the results produced by these forces. Apart from this, there is also atomic physics that deals with subatomic particles and their interactions quantum mechanics. Physics terms definitions and units page 3 ph1 ref item definition 3. It will be very hard to answer all the questions in the paper without knowing these key terms and definitions. The text is designed for upperlevel undergraduate students with a physics background. Basic principles of nuclear physics nucleus consists of.
The reader must be prepared to do some mathematics and to think. Example the period of the moon circling the earth is 28 days. There are many branches of physics including electricity, astronomy, motion, waves, sound, and light. A basic knowledge of vectors, matrices, and physics is assumed. Modern physics as the systematic study of nature based on observation, experimentation, reason and mathematical analysis had its beginnings in the 1600s with. Vector a vector is a quantity that has magnitude and direction. Basics of laser physics provides an introductory presentation of the field of all types of lasers. When individuals are doing so, one come across many concepts, problems etc. An introduction to tensors for students of physics and.
Before summarizing the results of galileos research on motion, we need a few basic definitions and concepts. Symbols for physical quantities are set in italic type, while symbols for units are set in roman type e. So, learn all of these words and phrases of by heart. Please help improve this article by adding citations to reliable sources. Chapter 1the scope of physics you can neither stop nor save the time but can make every moment historical ifyou know the value of time. Brown physics textbooks introductory physics i and ii a lecture note style textbook series intended to support the teaching of introductory physics, with calculus, at a level suitable for duke undergraduates. Physics formulas basic formulas for physics with examples byjus. The numerical value and the unit of a physical quantity must be separated. This is a list of common physical constants and variables, and their notations. This is used to convert alternating current to direct current.
Weight weight is the force of gravity on an object. This book is devoted to a basic, nonmathematical presentation of physics to motivated beginners, that is, intelligent people who have no prior scientific or mathematical background, but are interested in learning something about this fundamental science. Brown physics textbooks introductory physics i and ii a lecture note style textbook series intended to support the teaching of introductory physics, with calculus, at a. Learn terms and definitions chapter 1 basic physics with free interactive flashcards. Newtons 3 rd law if body a exerts a force on body b then body b exerts an. Physics is all about articulating the things rather than memorizing them up. Physics is a natural science that involves the study of matter and its motion through space and time, along with related concepts such as energy and force. From the point of view of basic physics, the most interesting phenomena. The period t of an object in circular motion is the time taken for the object to make one complete revolution. The main development of the book begins in chapter 1 with. The main goal is to understand how the universe behaves and how the energy is produced. List of glossary of physics terms and description vidyagyaan. The principle of conservation of momentum states that the total momentum of a system of objects remains constant provided no resultant external force acts on the system. The percent of the work put into a machine that is converted into useful work output.
Physics important terms and their definitions exams daily. Remember, understanding is the first step on the road of success. Work is the mechanical transfer of energy to a system or from a system by an external force on it. Instead of saying carbon, we could say element six, meaning six electrons. During applications, we may come across many concepts, problems. To learn the basics of quantum physics, this books is the recommendation of most experts and professors. Learn physics in a detailed manner with and delve deeper into various branches of physics like mechanics, optics, thermodynamics, electromagnetism, and relativity and much more.