The text is designed for upperlevel undergraduate students with a physics background. Ive chosen down to be positive here or throw a stone upwards at 10 ms1. Advanced level excel as level nature of light topic in an easy way of understanding reach. In most of the popular books on the market, however, the bulk of the. Scientists are people trained in science and who practice the knowledge of science. Lecture notes optics pdf 57p download book free book centre. Nature can produce polarized light by reflection or scattering.
Mar 20, 2012 continuing the a level physics revision series looking at wave particle duality, covering the original views of newton and huygens about light being a particle or wave. If light is a wave, two sources emitting waves in a synchronized fashion1. Physics is the scientific study of matter and energy and how they interact with each other. This is shown by the success of dozens of books that have been written since stephen hawking s a brief history of time 1988 became a best seller. Notes on oscillations and mechanical waves the topics for the second part of our physics class this quarter will be oscillations and waves. Cambridge international as and a level physics coursebook pdf. The incident ray, refracted ray and normal all lie in the same plane. Thomas young tried the experiment in the early 1800s, and found the expected pattern. Edexcel a level physics physics smart notes online.
Conceptual ideas develop logically and sequentially, ultimately leading into the mathematics of the topics. Electromagnetic waves are ultimately produced by an accelerating charge. Physics notes form 3 free download kcse revision notes pdf. Please note that the scheme of assessment has changed since 2005. Providing study notes, tips, and practice questions for students preparing for their o level or upper secondary examinations. A light year is the distance travelled by light in one year, so light year is a unit of distance. This phenomena is called the waveparticle nature of light or waveparticle duality. See more ideas about physics, physics notes and physical science. Occurs when light is reflected on a smooth surface.
The transverse nature of light can be demonstrated through polarization. As it turns out, the schrodinger equation applied to two levels. 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. The best physics o level notes o and a level notes. Endorsed by cambridge international examinations, the second edition of the as a level physics coursebook comprehensively covers all the knowledge and skills students need for as a level physics 9702 first examination 2016. When two waves of exactly same frequency coming from two coherent sources travels in a medium, in the same direction simultaneously then due to their superposition, at some points intensity of light is maximum while at some other points intensity is minimum.
Waveparticle duality introduction light waves a level. Notes on oscillations and mechanical waves periodic motion. Light starts from a source and bounces off objects which are perceived by our eyes and our brain processes this signal, which. However, for diffraction gratings the deviation of coloured rays is the reverse. Like all electromagnetic waves, light can travel through a vacuum. Below you will find our collection of revision notes and video tutorials. Electrons can move between energy levels by absorbing or emitting photons of. Some of the so called white light from the sun bounces off grass to become green light. We normally assume that a thing is located in the direction where the light comes from. Apr 06, 2016 visible light is usually defined as having wavelengths in the range of 400700 nanometres nm, or 4. Apr 08, 2015 cambridge international as and a level physics is ideal for learners who want to study physics or a wide variety of related subjects at university or to follow a career in science. Parker advanced level physics heinemann educational books 1970 acrobat 7 pdf 47.
Class 12 physics revision notes, short key notes for cbse ncert books class 12 physics notes given by vedantu are a very reliable and trustable set of notes for the exam preparation. It is seen that the richness of quantum physics will greatly a ect the future generation technologies in many aspects. Continuing the a level physics revision series looking at wave particle duality, covering the original views of newton and huygens about light being a particle or wave. In the process the character of the light may be changed. Have each group, with notes and manuals closed and. If light is a wave, two sources emitting waves in a synchronized fashion1 should produce a pattern of alternating bright and dark bands on a screen. Physics involves studying matter at a range of scales. Physics for beginners 2 matthew raspanti been, and still is, intrigued by the fundamental nature of its inquiry. The ratio sin isin r is a constant snells law refractive index n n sin isin r n cv. The physics classroom tutorial presents physics concepts and principles in an easytounderstand language. Newton imagined a light ray as a stream of tiny particles which he referred to as corpuscles.
The wave nature of light was first illustrated through experiments on diffraction and interference. Somehow light must also carry information about the location and shape of the objects that we see. Physics revision notes for class 12, short key notes for cbse. But it covers almost all that you need to learn to crack the edexcel as physics unit 1 and unit 2 exams. Light is a transverse, electromagnetic wave that can be seen by the typical human. If we rearrange our diffraction grating equation to make wavelength the subject, making n1 for the first principal maxima to the right or left. The text is designed for upper level undergraduate students with a physics background. H h wills physics laboratory, university of bristol, bristol bs8 1tl, uk. We will start with periodic motion for the rst two lectures, with our speci c examples being the motion of a mass attached to the end of a spring, and the pendulum. The understanding is that open and reproducible research. For most of human history, the facts of light and optical phenomena have been seen as central to the understanding of nature.
Cbse class 10 science chapter 10 light reflection and refraction notes. Light waves can interfere with other light waves, canceling or amplifying them. All resources are updated for the latest aqa physics specification. The waves period t and its frequency f are given by the relations.
Light, reflection, and color characteristics of light light is an electromagnetic wave. Describe the dual nature of light, as a continuous wave and a discrete particle photon, and give. 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. Simplified tutorial for nature of light topics in edexcel gce physics unit 2. Physics is the most basic of the living and nonliving sciences. For the best revision experience, use both the notes and the videos at the same time to help you follow along. Our class 12 physics notes contain solutions for all the questions and answers pertaining to all the chapters in the book. In this article, how a light wave behaves like a particle and a wave are explained. Nov 15, 2018 open science and reproducible research have become pervasive goals across research communities, political circles and funding bodies 1,2,3. Light is reflected at different angles and no clear image is seen. Diffraction of light, waves from alevel physics tutor. Topics covered include re ection and transmission at boundaries, dispersion, polarization e ects, di raction, coherence, ray optics and imaging, the propagation of light in matter, and the quantum nature of light. Edexcel as physics in 100 pages 2 preface the purpose of this book is to offer a concise and easytounderstand textbook and exam preparation guide of the edexcel as physics.
Visible light is usually defined as having wavelengths in the range of 400700 nanometres nm, or 4. 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. In kinematics forces causing motion are disregarded while dynamics deals with motion of objects and the forces causing them. Summary notes, key points, flashcards, videos and past exam questions by topic for edexcel physics as and alevel topic 5 waves and particle nature of. The nature of light as a wave a small disturbance in an electric field creates a small magnetic field, which in turn creates a small electric field, and so on light propagates itself by its bootstraps. Get physics as and a level notes here at my new website. The turbine light concept which is going to be a part of the upcoming greener gadgets conference in new york city at the end of this month harnesses the power of the wind from cars rushing past to light up the everdarkening roadways. Light waves can behave like particles photons and waves. Physics notes form 1 free download kcse revision notes pdf. Linear polarization of light gives experimental evidence that light is a transverse wave. We can understand science in general much better if we understand physics. Fully revised and updated content matching the cambridge international examinations 9702 syllabus for first examination in 2016. As shown below, an electromagnetic wave is a transverse wave consisting of mutually perpendicular oscillating electric and magnetic fields. From intermediate physics you may remember red rays refract least, illustrated by the prism diagram below.
Lecture notes quantum physics i physics mit opencourseware. The wave model of light has one serious drawback, though. Our current understanding of the fundamental nature of matter is described in. Physics revision physics 101 a level physics learn physics physics notes science chemistry physical science physics classroom school a cartoon guide to physics. The distance 1 light year speed of light x duration of 1 year measured in second 3 x 108 x 365. Particle nature of light and wave nature of matter. Tips and notes for english, general paper, and composition writing are also provided.
Open science and reproducible research have become pervasive goals across research communities, political circles and funding bodies 1,2,3. All other sciences are built on a knowledge of physics. Find out more by downloading our comprehensive revision notes. Apr 08, 2018 the best physics o level notes compiled from all around the world at one place for your ease so you can prepare for your tests and examinations with the satisfaction that you have the best resources available to you. The speed of light in a vacuum is represented by the letter c from the latin celeritas swiftness. You can find notes and exam questions for additional math, elementary math, physics, biology and chemistry. Read, highlight, and take notes, across web, tablet, and phone. Jan 16, 2017 faisal jaffers formula sheet 2011 you ought to share with us your pdf of these notes. Angle of incident ray i angle of reflection r regular vs. Light is a form of energy that enables us to see things.
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