Allen institute wave optics class notes pdf for jee main. Wave optics propagation, interference and diffraction of waves axel kuhn, oxford 2016 paul ewarts lecture notes and problem sets. To relocalize object details, a method must be found to reassign focus all. 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. The book starts with history of wave theory and contributions of various people like huygens, young, fresnel, newton and takes on the theoretical framework which explains the observed phenomena. People who ski, i suppose, are people who happen to like skiing, who have time for skiing, who can afford to ski, and who are good at skiing. Download the collection of questions asked in previous cbse board exams from the chapter wave optics.
This content contains quick revision notes on wave optics. Optics lecture wave optics 1 s2ay16 ee1002 ntu studocu. Covering basic concepts related to wave nature of light. Consider a light beam incident from air to a glass slab at brewsters angle as shown in fig. Before coming to lab, read the lab handout and all course required reading in giancoli through chapter 25. Wave optics describes the connection between waves and rays of light. Figure 28 illustrates a plane wave propagating along the x axis, which means that the wave fronts are parallel to the yz plane. Optics notes topics in these notes are wave properties polarization focal lengths geometrical optics i. Under what conditions a cylindrical wavefront is obtained. Damped oscillations when the object is allowed to oscillate in air it takes a long time to stop, and the amplitude decreases very slowly. The wave packet picture of photons introduced in section 5 of chapter 19 is compatible with treating light as a collection of particlelike photons that follow the rules of geometric optics only as long as the. As the wave propagates, let us assume in the positive x direction, any point on the wave pattern is displaced by dx in a time dt see figure 1. Chapter 10 wave optics subscribe for latest updates national council of educational research and training ncert book for class xii.
Enhance students knowledge in the areas of waves and geometrical optics. Wave front of a wave, at any instant, is defined as the locus of all the particles in the medium which are being disturbed at the same instant of time and are in the same phase of vibration. Glenn boreman, university of north carolina at charlotte a complete list of the titles in this series appears at the end of this volume. Huygens mentioned that light travels in the form of waves. Learn about some of the mysterious properties of light in these tutorials. Cbse notes class 12 physics wave optics aglasem schools. Sep 21, 2015 source aakash institution and expert notes these are my short notes of neet wave optics physics with 95 % of all formulas needed for neet wave optics with as usual meaning of terms like n for refractive index i for intensity a for amplitude etc. Thanks for these notes but can you plz make all into a single zip pdf it might do a great help for all jee aspirants.
The distance between successive wave fronts is the wavelength. This document is highly rated by class 12 students and has been viewed 740 times. Physical optics lecture notes pdf 44p download book. The frequency remains the same as light travels from one medium to another. If you want to make a career in these fields like lab technician, laser engineer etc, we provide most important questions class 12 physics wave optics that can help you in your exams. This document is highly rated by class 12 students and has been viewed 6068 times. Wave optics, also referred to as physical optics, is the branch of optics that enables important phenomena such as interference, diffraction, and polarization to be understood. Wave theory of light by huygens, fresnel, young, etc in geometric optics we learnt light is a stream of straightgoing particles newton proposed that first then we learnt light is a form of em wave. If the source of light is at a large distance, we obtain a plane wave front a1 b1 as shown in. Question bank for 12th class physics wave optics wave optics.
Here we are providing allen institute wave optics class notes pdf for jee main 2018 exam. Wave optics class 12 physics india science khan academy. Chapter notes wave optics, class 12, physics class 12 notes. Issuu is a digital publishing platform that makes it simple to publish magazines, catalogs, newspapers, books, and more online. The wave optics class notes pdf is the compilation of detailed theory part, solved examples, hc verma questions and previous year questions. We end this section by quoting from the nobel lecture of dennis gabor. Optics notes massachusetts institute of technology. It explained the laws of reflection and refraction of light at an interface. Wave optics deals with the study of various phenomenal behaviors of light like reflection, refraction, interference, diffraction, polarization etc. Ray optics is based on rectilinear propagation of light, and deals with. Wiley series in pure and applied optics founded by stanley s. Answers to these prelab questions are to be handed in at the beginning of your lab. Each point in an object scatters the incident illumination into a spherical wave, according to the huygens principle. But we had learnt all waves have common characteristic properties such as.
Wave optics is an important topic from jee main jee advanced exam point of view. Sph 103 waves and optics lecture notes january to april 2016 purpose. Read all the important points and chapterwise notes on iitjee. What type of wavefront is obtained when a plane wave is reflected by a concave mirror. It includes the basics of lens diagrams, the refractive index, prisms, spherical lenses, cylindrical lenses, lens form, transposition, base curves, and vertex distance. Here v 1 and v 2 are the speed of light in media 1 and 2 with refractive index pp 12 and respectively. Longitudal waves are those in which the displacement of the mediumor eld is in the direction of the wave. Reflection, refraction, interference, diffraction therefore light waves must have all these properties. Huygens principle can be used to derive the law of reflection and the law of refraction. The interference of light waves produces the colors reflected from a cd, the iridescence of bird feathers, and the technology underlying supermarket checkout scanners and optical computers. So, go ahead and check the important notes for class 12 physics wave optics.
Oct, 2016 board questions from wave optics cbse aissce by admin in ask physics, cbse physics class xi, exam preparation, optics, wave optics on october, 2016. Class 12 physics revision notes for chapter 10 wave optics. Interference, youngs double slit experiment and expression for fringe width, coherent sources and sustained interference of light, diffraction due to a single slit, width of central maximum, resolving power. Define the concept of wave, describe the wave motion and derive the wave equation. A few microns away from the object surface, the rays emanating from all object points become entangled, delocalizing object details. In fact, the full description of light as a wave can be rather cumbersome. What is the shape of wavefront obtained from a point source at a i small distance ii large distance. Board questions from wave optics cbseaissce ask physics. According to wave theory of light, the light is a form of energy which travels through a.
Notes on prayer by elisabeth elliot in his strength. Wave optics, also termed as physic optics is the branch of optics which deals with various phenomenon including diffraction, polarization of light, interference pattern in optics and solved problems, youngs double slit experiment etc. Light and lenses this post covers my notes from chapters 1214 in the system for opthalmic dispensing. A polaroid is placed in the path of the emergent ray at point p and rotated about an axis passing through the centre and perpendicular to the plane of the polaroid. Apr 11, 2020 chapter notes wave optics, class 12, physics class 12 notes edurev is made by best teachers of class 12. Physics notes for class 12 chapter 10 wave optics ncerthelp. Waveparticle duality light can be considered as waves particles depending on what characteristics are being observed light behavior will be examined as wave optics interference diffraction. We now come to a small booklet titled problems of wave optics by s. Easily share your publications and get them in front of issuus. Optics, the branch which is the study of light phenomena is divided into tworay optics and wave optics.
Wave optics class 12 notes edurev is made by best teachers of class 12. Wave properties in general there are two types of waves. Class 12 important questions for physics wave optics. At the end of the course unit you should be able to. The speed v of a wave is given by v t o where is the wavelength of the wave and t 1 is the period of oscillation.
Then you come to the chapter on wave optics, and you are told that light travels as a wave, that it can bend around objects, it can diffract and interfere, etc. Every year there are 12 questions asked from this topic. Wavefront of a wave, at any instant, is defined as the locus of all the particles in the medium which are being disturbed at the same instant of time and are in the same phase of vibration. Download wave optics class notes pdf free of cost from below and share the post. We will instead spend most of this book making use of a simpler model of light, the ray model, which does a fine job in most practical situations. It is an eminent branch which assumes great importance as a large number of questions in various. Download for free or view pdf file physics wave optics mcq for competitive exams. Visit examrace for more files and information on sampleobjectivequestions. Knowing this, however, is not the same as knowing everything about eyes and telescopes. Wave front and huygens principle, reflection and refraction of plane wave at a plane surface using wave fronts. Because light is a wave, the superposition principle is valid to determine the constructive and destructive interferences for light waves.
According to wave theory of light, the light is a form of energy which travels through a medium in the form of transverse wave motion. Ray optics is based on rectilinear propagation of light, and deals with mirrors, lenses, reflection, refraction, etc. Wave optics wave front the wave front at any instant is defined as the locus of all the particles of the medium which are in the same state of vibration. Mar 16, 2016 issuu is a digital publishing platform that makes it simple to publish magazines, catalogs, newspapers, books, and more online. Reflection and refraction of plane waves using huygen principle 2. Physical optics lecture notes pdf 44p this note covers the following topics. Questions in this class notes are solved in a very easy and simple manner using short. I hope they will prove helpful to all board aspirants. Lecture notes optics pdf 57p this note covers the following topics. Then answer the bold numbered questions that appear throughout this lab handout. Proof of laws of reflection and refraction using huygens principle. Important questions class 12 physics wave optics physics is very important subject for science stream student.
The speed of light in a medium depends upon the nature of medium. Find materials for this course in the pages linked along the left. What are the important topics in wave optics, ac for cbse. As the wave propagates, let us assume in the positive x direction, any point on the wave pattern is displaced by dx in. In our discussions of geometric optics we completely ignored the fact that light can also behave as an electromagnetic wave. Note that the observed laws of geometric optics follow from the assumption that light is a wave.