Physical optics lecture notes pdf 44p this note covers the following topics. Illustrate with the help of suitable diagram, action of the following when a plane wavefront incidents. In wave motion, the energy is carried by a disturbance of some sort. Basic physical optics 121 figure 41 water waves and wave fronts the bobbing cork generates a series of surface disturbances that travel outward from the cork. Because light is a wave, the superposition principle is valid to determine the constructive and destructive interferences for light waves. You can skip questions if you would like and come back to them later. Huygens principle can be used to derive the law of reflection and the law of refraction. Electromagnetic waves, the electromagnetic spectrum and photons opens a modal.
Chapter notes wave optics, class 12, physics class 12. Download for free or view pdf file physics wave optics mcq for competitive exams. The figure is trying to say that electric field at a point is increasing and decreasing oscillating as the light passes by. It is an experimental fact that light propagates as mutually perpendicular fluctuating electric and magnetic fields according to the mechanism of propogation of transeverse waves. Comparing different approaches to visualizing light waves pedocs.
Apr 22, 2019 national council of educational research and training ncert book for class xii subject. Official, free, no login, fast pdf download glide to success with doorsteptutor material for jee. Here you can get class 12 important questions physics based on ncert text book for class xii. Which travel in all directions with the velocity of light in the medium. 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. Geometric and wave optics are two different ways of looking at the phenomenon of light propogation.
Optics notes massachusetts institute of technology. The problems consist of old examination questions that have been selected to match the topic of each problem class. Class 12 important questions for physics wave optics. While we cannot see these extremely rapid oscillations, their wave behavior is similar to that of water waves. With a protractor at eye level, he finds the angle at the top of the flag pole with the horizontal is 25. Note that the observed laws of geometric optics follow from the assumption that light is a wave. Aipmt neet physics wave optics mcq practice sample papers problems free pdf download with solution 2017 2018 subtopic. Following are some general testtaking strategies you may want to consider.
Ncert solutions for class 12 physics chapter 10 wave. All of geometric optics can be based on fermats principle. This document is highly rated by class 12 students and has been viewed 6080 times. Then you come to the chapter on wave optics, and you are told. 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. Join the discussion forum to discuss your queries about nios board as well as cbse board. Why did young then pass the light through a double slit. Wave optics propagation, interference and diffraction of waves axel kuhn, oxford 2016 paul ewarts lecture notes and problem sets. Free solved physics problems on wave and ray optics.
This document is highly rated by class 12 students and has been viewed 747 times. Knowing this, however, is not the same as knowing everything about eyes and telescopes. Wave optics lecture about the principles of wave optics by n. The frequency remains the same as light travels from one medium to another. The incoming light, at a, is a plane wave with the electric field vector. Free pdf download of ncert solutions for class 12 physics chapter 10 wave optics solved by expert teachers as per ncert cbse textbook guidelines. Something must be vibrating oscillating in order to create a wave. Electromagnetic waves are the only type of wave that do not require a medium at all. Covering the basics of wave propagation, reflection, refraction, anisotropic media, interference, diffraction, and coherence, this questionandanswer collection provides the opportunity to solve problems chosen by a mentor with decades. Figure 41b shows the same disturbances traveling away from point a the cork as a series of successive wave fronts labeled crests and troughs. To explain some phenomena, such as interference and diffraction of light, it is necessary to go beyond geometrical optics.
Download the collection of questions asked in previous cbse board exams from the chapter wave optics. We now come to a small booklet titled problems of wave optics by s. Waves must travel in a medium with one important exception. 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. Fundamentals of modern optics institute of applied physics. Ray optics is based on rectilinear propagation of light, and deals with mirrors, lenses, reflection, refraction, etc. Class 12 physics revision notes for chapter 10 wave optics. 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. Using huygens wave theory of light, show that the angle of incidence is equal to angle of reflection in case of reflection of a plane wave by a plane surface. What is the speed of light in a medium having an absolute index of refraction of 2. Reflection and refraction of plane waves using huygen principle 2.
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. Apr 30, 2020 chapter notes wave optics, class 12, physics class 12 notes edurev is made by best teachers of class 12. Preliminaries we have seen that a monochromatic traveling plane light wave can be represented by a sine wave with a welldefined frequency and amplitude moving with a constant. 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. Covering the basics of wave propagation, reflection, refraction, anisotropic media, interference, diffraction, and coherence, this questionandanswer collection provides the opportunity to solve problems chosen by a mentor with decades of experience instructing students. Very useful for calculusbased and algebrabased college physics and ap high school physics. Question bank for 12th class physics wave optics wave optics. Errata for problems and answers in wave optics pm216. Wavefront and huygens principle 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.
National council of educational research and training ncert book for class xii subject. Here v 1 and v 2 are the speed of light in media 1 and 2 with refractive index pp 12 and respectively. Physics class 12 important questions are very helpful to score high marks in board exams. Here we have covered important questions on wave optics for class 12 physics subject physics important questions class 12 are given below multiple choice questions mcq i. Both predicts that the image after l2 will propagate straight to infinity, in the form of a plane wave. Fortunately, certain defects can be tolerated in a particular application, if the produced images.
In 1801, british physicist thomas young showed experimentally by interference experiment that light also has wave nature and thus wave optics came into existence. Optics, solutions to exam practice problems, 2014 mit. Waves and optics regular waves and optics worksheets and solutions wr1b. Aberration not included in final exam, supplement pedrotti chapter 20, and for your study only very few optical systems give images that are free from all defects. The next chapter discusses a variety of applications in imaging that stem from these ideas. Covering the basics of wave propagation, reflection, refraction, anisotropic media, interference, diffraction, and coherence, this question and answer collection provides the opportunity to solve problems chosen by a mentor with decades. Ncert solutions for class 12 physics chapter 10 wave optics. It is an eminent branch which assumes great importance as a large number of questions in various. 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. Choose your answers to the questions and click next to see the next set of questions.
Physical optics lecture notes pdf 44p download book. Question bank for 12th class physics wave optics wave. Wave properties in general there are two types of waves. Visit examrace for more files and information on sampleobjectivequestions. Wave optics class 12 notes edurev is made by best teachers of class 12. Oct, 2016 board questions from wave optics cbseaissce by admin in ask physics, cbse physics class xi, exam preparation, optics, wave optics on october, 2016. Wave properties, only both particle and wave properties neither particle or wave properties. As a consequence of this, light traveling through different media will be shifted in relative phase leading to some interesting phenomena. Physics of waves and wave motion wave optics treats light as a series of propagating electric and magnetic field oscillations. Ncert solutions for class 12 physics chapter 10 in english medium free to download in pdf form for new session 20202021. Incoherent means the waves have random phase relationships.
Drawing this figure for a light wave does not mean that light rays move up and down in the air. Errata for problems and answers in wave optics pm216 first printing contents section 3. What are the important topics in wave optics, ac for cbse. For each question, choose the best answer from the. Advanced placement physics waves and optics energy. An understanding of optics that treats light as waves. Recall that a wave front is a locus of points along which all phases and displacements are. Charting pendulum motion the line drawn is sinusoidal, and can be described by the equation x acos. Optics notes topics in these notes are wave properties polarization focal lengths geometrical optics i. You can skip questions if you would like and come back. He envisioned a wave crest advancing by imagining each point along the wave crest to be source point for small, circular, expanding wavelets, which. Bungy jumping is an increasingly popular sport, with a growing clientele of. Answer for a obtained with geometrical ray optics matches the answer from b, which is obtained from wave optics calculation under the paraxial approximation.
Sep 28, 2008 geometric and wave optics are two different ways of looking at the phenomenon of light propogation. Download ncert books 202021 for new session based on latest cbse syllabus. Thus, we find it useful to picture waves and wave motion in terms of simple water. With 272 selected problems and answers, this study aid is a powerful supplement to the study of wave optics. Workshop tutorials for biological and environmental physics wr1b. The main propagation direction of the light wave is in the zdirection. Ncert solutions class 12 physics chapter 10 wave optics. For the given problem, we may further assume ex, y is a plane wave at normal incidence, and the transmission function tx, y for a single can. Physics wave optics mcq translation in hindi, kannada. Optics benjamin crowell book 5 in the light and matter series of introductory physics textbooks.
Longitudal waves are those in which the displacement of the mediumor eld is in the direction of the wave. Class 12 physics notes on wave optics containing top concepts like wave optics, huygens principle, superposition principle, youngs double slit experiment, diffraction, polarization etc. All chapter 10 wave optics exercises questions with solutions to help you to revise complete syllabus and boost your score more in examinations. Read the test directions carefully, and work as rapidly as you can without being careless.
Problems and solutions for sk2300 optical physics v. The human eye has an approximate angular resolution of. In fact, the full description of light as a wave can be rather cumbersome. Chapter notes wave optics, class 12, physics class 12 notes.
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