Wave optics software for analyzing micro and nanooptical. The figure is trying to say that electric field at a point is increasing and decreasing oscillating as the light passes by. 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. It is a small part of spherical or cylindrical wavefront when the source of light lies at large distance from the wavefront. But we had learnt all waves have common characteristic properties such as. Free pdf download of cbse physics multiple choice questions for class 12 with answers chapter 10 wave optics.
Chapter 10 wave optics subscribe for latest updates national council of educational research and training ncert book for class xii. Ray optics pdf what are ray optics and wave optics. Week 14 rayoptics approach snells law, geometric optics, thin lens. Ray optics is based on rectilinear propagation of light, and deals with mirrors, lenses, reflection, refraction, etc. Xray phase contrast imaging is a very promising technique which may lead to significant advancements in medical imaging. In fact, the full description of light as a wave can be rather cumbersome. The other ray and any ray that does not obey snells law is an extraordinary ray or e ray. This is for 1 marks answer, i hope you fine it useful.
While we cannot see these extremely rapid oscillations, their wave behavior is similar to that of water waves. Longitudal waves are those in which the displacement of the mediumor eld is in the direction of the wave. Problems and solutions for sk2300 optical physics v. Physics mcqs for class 12 chapter wise with answers pdf download was prepared based on latest exam pattern. The chapter, along with wave optics constitute the optics section and they together carry 14 marks, with ray optics. Then answer the bold numbered questions that appear throughout this lab handout. Script fundamentals of modern optics, fsu jena, prof. Optics is the branch of physics that studies the behaviour and properties of light, including its. 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. Nature of light, geometrical optics, optical instrumentation, dispersion, prisms, and aberrations, wave equations, em waves, polarization, fresnel equations, production of polarized light, superposition of waves interference of light, coherence, fraunhofer diffraction, fourier optics, characteristics. Apr 22, 2019 consider a light beam incident from air to a glass slab at brewsters angle as shown in fig. Allen institute wave optics class notes pdf for jee main. Students can solve ncert class 12 physics wave optics mcqs pdf with answers to know their preparation level. 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.
Chapter notes wave optics, class 12, physics class 12 notes. Free optics books download ebooks online textbooks tutorials. 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. Before coming to lab, read the lab handout and all course required reading in giancoli through chapter 25. Students should solve the cbse issued sample papers to understand the pattern of the question paper which will come in class 12 board exams this year. Ray and wave optics iit jee chapter wise solution 1978 to 2017 aieee iit jee main included. Ray optics ray model of light reflection plane mirrors spherical mirrors ray tracing images from a concave mirror images from a convex mirror slide 183 the ray model of light light rays can cross.
The phase f tells you how many radians the wave is to the left of a cos wave. It is the locus of points in space which are simultaneously disturbed and are vibrating in same phase. Physics notes for class 12 chapter 10 wave optics wave optics describes the connection between waves and rays of light. Physics mcqs for class 12 with answers chapter 10 wave optics. Bridging ray and wave optics via the wigner phasespace picture. Questions in this class notes are solved in a very easy and simple manner using short tricks, so you dont need extra effort to catch the concept used in questions. Huygens principle can be used to derive the law of reflection and the law of refraction. The main propagation direction of the light wave is in the zdirection.
Nov 07, 2017 ray optics treats light as either traveling in a straight line, refracting at a surface or reflecting at a surface and then continuing in a straight line to another surface. Note that the wavefront from point source s is spherical and plane if it emerges from a faroff source. 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. Request pdf linear ray and wave optics in phase space ray, wave and quantum concepts are central to diverse and seemingly incompatible models of. Refraction and reflection of plane waves using huygens principle. Pc 2312 wave optics notes 2 this is useful because any function f, g can be made up as a sum of these.
The wave optics class notes pdf is the compilation of detailed theory part, solved examples, hc verma questions and previous year questions. Linear magnification is ratio of the size of the image to the size of the object. What links here related changes upload file special pages permanent link. Optics notes topics in these notes are wave properties polarization focal lengths geometrical optics i. Because light is a wave, the superposition principle is valid to determine the constructive and destructive interferences for light waves.
Wave optics theory and 3d deconvolution for the light field. Class 12 physics notes on wave optics containing top concepts like wave optics, huygens principle, superposition principle, young. 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. Here v 1 and v 2 are the speed of light in media 1 and 2 with refractive index pp 12 and respectively. Learn the basics of using the wave optics module in this 18minute archived webinar, featuring a directional coupler model as an example. Geometrical optics, or ray optics, describes the propagation of light in terms of rays. Purchase linear ray and wave optics in phase space 1st edition. Note that the observed laws of geometric optics follow from the assumption that light is a wave. Physics wave optics mcq translation in hindi, kannada.
The wave optics module, an addon to the comsol multiphysics platform software, is an efficient choice for your optical modeling needs. A ray of light is incident from air to glass of refractive index n and is found to be nearly plane polarised after reflection. Ray optics geometrical optics covered by lecture introduction to optical. Waves and optics regular waves and optics worksheets and solutions wr1b. The path is called a ray of light, and a bundle of such rays constitutes a beam of light. Light field microscopy is a new technique for highspeed volumetric imaging of weakly scattering or fluorescent specimens. According to huygens principle light emits in the form of waves and source of lights is a center of disturbance from which waves spread in all direction.
This document is highly rated by class 12 students and has been viewed 6080 times. The speed of light in a medium depends upon the nature of medium. All educational material on the website has been prepared by the best teachers having more than 20 years of teaching experience in various schools. Much of this results from the representations given to abstract operators. Cbse issues sample papers every year for students for class 12 board exams. Wave optics and multipath in the impact parameter domain. Wave optics theory and 3d deconvolution for the light. Physics of waves and wave motion wave optics treats light as a series of propagating electric and magnetic field oscillations. Wave optics transforms the signal from the time domain into the impact. Charting pendulum motion the line drawn is sinusoidal, and can be described by the equation x acos. In youngs double slit experiment, the separation between the two slits is doubled. A dynamical theory of the electromagnetic field pdf. In this paper, we present an optical model for light field microscopy based on wave optics, instead of previously reported ray optics models.
It is a medium through which light is propagated partially. These study materials are specially for jee mains and advanced exam. August 29, 2012 using fermats least optical path principle the family of raytrajectories through a special but common type of a gradient refractive index lens, nr n. Ncert solutions for class 12 physics chapter 10 wave optics. View pdf cbse class 12 physics ray and wave optics assignment. Optics notes massachusetts institute of technology. View pdf cbse class 12 physics worksheet ray optics and. 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. In our discussions of geometric optics we completely ignored the fact that light can also behave as an electromagnetic wave. Ray optics treats light as either traveling in a straight line, refracting at a surface or reflecting at a surface and then continuing in a straight line to another surface.
Which travel in all directions with the velocity of light in the medium. To relocalize object details, a method must be found to reassign focus all. Revision notes on ray optics and optical instruments. That is, the normal is along the radius, the line joining the centre of curvature of the mirror to the point of incidence. Official, free, no login, fast pdf download glide to success with doorsteptutor material for neet. Each point in an object scatters the incident illumination into a spherical wave, according to the huygens principle. Cbse class 12 physics worksheet ray optics and wave optics. Drawing this figure for a light wave does not mean that light rays move up and down in the air. Ray and wave optics iit jee chapter wise solution 1978 to. A few microns away from the object surface, the rays emanating from all object points become entangled, delocalizing object details.
Physical optics lecture notes pdf 44p this note covers the following topics. Ray optics is the study of rays travelling along a line until reflected by a reflecting surface where as wave optic is the study of rays that can travel as like a wave and the the terms optics means bundle of rays travelling together. 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. Figure 33b shows the reflection of several light rays at a curved mirror.
Download for free or view pdf file physics wave optics mcq for competitive exams. In 1801, british physicist thomas young showed experimentally by interference experiment that light also has wave nature and thus wave optics came into existence. Find the ratio between the longitudinal and the transverse electric. An interesting consequence of this is that a light ray will change direction when. It is extremely useful for designing ordinary lenses. Pandey and published by arihant has proven itself to be one of the excellent physics series. Ray optics and optical instruments class 12 notes pdf download. View pdf cbse class 12 physics ray and wave optics assignment cbse class 12 physics assignment ray and wave optics cbse,cce and ncert students can refer to the attached file.
The map between the ray and wave description is given in. Linear ray and wave optics in phase space 1st edition elsevier. Calculate the percentage change in the fringe width in the interference pattern. Class 12 physics revision notes for chapter 9 ray optics. In the present book, there are two consecutive chapters, one on ray optics and the other on wave optics. We have already studied that the geometric centre of a spherical mirror is called its pole while. Linear ray and wave optics in phase space request pdf.
In wave motion, the energy is carried by a disturbance of some sort. Wave properties in general there are two types of waves. The relationship between wave and geometrical optics models of. Download pdf understanding physics by dc pandey complete. If m1 then the image is of the same size of the object. Ray and wave optics solved mcq from iit, aiims, neet, mcat. Physical optics lecture notes pdf 44p download book. Its angle of incidence in the medium is i, measured from the normal to the boundary, and its angle of deviation is. It is possible to build a mathematical bridge that allows one to transform back and forth between the ray and wave picture. Class 12 physics revision notes for chapter 10 wave optics.
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. The wave optics module includes a specialized beam envelope method that can be used to simulate optically large devices with far fewer computational resources than traditional methods. This is given by the feynman path integral representation. It is a medium through which light can be propagated easily. Each ray indicates the geometrical path along which the light moves as it leaves the source. Please practice these derivations from optics to excel in physics for class 12 cbse physics. Apr 30, 2020 chapter notes wave optics, class 12, physics class 12 notes edurev is made by best teachers of class 12. In this chapter, we consider the phenomena of reflection, refraction and. The more you practice the better youll be, the harder you train the great in you theyll see. Eikonal equations, gradient index lenses, hamiltonian optics pdf 11. Knowing this, however, is not the same as knowing everything about eyes and telescopes. Ray and waveoptics markus selmke, frank cichos molecular nanophotonics, institute of experimental physics i, university of leipzig, 04103, leipzig dated. Wave optics propagation, interference and diffraction of waves axel kuhn, oxford 2016 paul ewarts lecture notes and problem sets. If m is positive then the image is virtual and erect.
Ray optics and optical instruments 311 this case is to be taken as normal to the tangent to surface at the point of incidence. Visit examrace for more files and information on sampleobjectivequestions. Sl arora physics pdf for class 12th download sl arora. The frequency remains the same as light travels from one medium to another. Here i am providing you the material that contains all the past 10 year previous year board exam questions, that were asked from the chapter ray optics in physics. Answers to these prelab questions are to be handed in at the beginning of your lab.
A light ray travels forever unless it interacts with matter. We also present a 3d deconvolution method for light field microscopy that is able to reconstruct volumes at higher spatial resolution, and with better optical sectioning, than previously reported. For calcite, one of the two rays does indeed obey snells law. The recorded light field can then be used to computationally. 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.
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. Class 12 important questions for physics wave optics. In optical region, light has a wavelength of about half a micrometre. Class 12 physics revision notes for chapter 9 ray optics and optical instruments free pdf download. It employs an array of microlenses to trade off spatial resolution against angular resolution, thereby allowing a 4d light field to be captured using a single photographic exposure without the need for scanning.