In this video, i have discussed the resolving power of optical instruments. Ray optics and optical instruments class 12 notes pdf download laws of reflection. Physics notes for class 12 chapter 9 ray optics and optical instruments light light is a form of energy eyes. You can also download free interactive ebook written by me from my website. In the optical methods, principles of optics are used. Xpowerpoint ppt search engine is especially designed for doctors and teachers to help find accurate powerpoint presentations for their research.
Chapter 18 problem 37 page 612 suppose you point a pinhole camera at a 15m. Unit 2 linear and angular measurement authorstream presentation. In this physics video for iit jee, we are going to discuss optical instruments. Scribd is the worlds largest social reading and publishing site. Watson research center box 218 yorktown heights, new york 10598 4. Photometry is a branch measurement of light energy. The resolution of optical instruments the minimum spot size to which a lens can focus light of wavelength. The distance is not actually measured in field but it is computed indirectly. It may provide a dynamic image as with optical instruments or one that is static as with scanning electron microscopes. A 36 slide powerpoint of optical illusions and peculiar pictures. Analysis generally involves the laws of reflection and refraction. We use your linkedin profile and activity data to personalize ads and to show you more relevant ads.
It focuses primarily on the wave and ray descriptions of light, but also includes a brief intro. It is a most important organ of the human body which enables us to view all things. Modern optical engineering the design of optical systems warren j. Chapter 18 problem 37 page 612 suppose you point a pinhole.
However, we will focus on the beginning of 20th century where there are two class of thoughts about the physical properties of light. In this video we will discuss about many instruments, mainly optical microscope. Optics and optical instruments optics is the study of visible light and the ways it can be used to extend human vision and do other tasks. Characteristics of light light waves are electromagnetic waves, whose nature is transverse. Ppt components of optical instruments powerpoint presentation. Optics is the branch of physics that studies the behaviour and properties of light, including its. Introduction it is assumed that the reader has an elementary knowledge of geometrical optics and diffraction theory. However, to explain certain phenomena, the wave nature of light must be used. Optical instruments thin lens equation refractive power cameras the human eye combining lenses resolution. Download your presentation papers from the following links.
Optical instrument iit jee lectures for class 12th physics. Class 12 physics revision notes for chapter 9 ray optics. Ppt optical instruments powerpoint presentation free to view id. The distance between successive wave fronts is the wavelength. Optical fiber carries much more information than conventional copper wire and is in general not subject to electromagnetic interference. Optical instruments analysis generally involves the laws of reflection and refraction analysis uses the procedures of geometric optics to explain certain. View and download powerpoint presentations on optical instruments ppt. Camera loupe telescope terrestrial and astronomical microscope. For our purposes, in understanding how optical instruments work, the wave theory of light is entirely adequate. This article accompanied a december 8, 1864 presentation by maxwell to the royal society. Mar 07, 2020 ray optics powerpoint presentation, science, class xii, cbse class 11 notes edurev is made by best teachers of class 11. Optical instruments is the property of its rightful owner.
A simple magnifier consists of a single converging lens. We can put together systems of lenses, mirrors, prisms, polarizers, filters, beam splitters, and all the other optical. Ray optics and optical instruments class 12 notes chapter 9 1. Optical microscope was first invited in the 16 century. The eye is a simple and robust optical instrument that is fully adapted to serve our visual system. Ravindranath optical instruments any arrangement which makes use of a combination of lenses,mirrors or prisms,is called an optical instrument. Optical fiber optical fiber or fiber optic refers to the medium and the technology associated with the transmission of information as light pulses along a glass or plastic strand or fiber. Find powerpoint presentations and slides using the power of, find free presentations research about optical instruments ppt. Although the optical quality is not as good in the eye as in the best artificial optical systems, it matches what is required by most of the visual capabilities. Op,calinstrumentaon phenomenaprobed absorp,on luminescence emission scaering components 1.
Enclosed light tight chamber light detector film or photo cells lens combination to focus the image on the film or photo cells. Preface this book provides an introduction to the eld of optics from a physics perspective. Manly power of lens measured in diopters where f is focal length in meters power is positive for converging lenses and negative for diverging lenses lens equation. This is the most commonly used method for linear measurements. New cartesian sign convention for spherical mirrors. Light waves can be bent and reflected to form new and sometimes altered images.
It states that for each and every object, there is an image. Optical instruments are the devices which process light wave to enhance an image for more clear view. Components of optical instruments this presentation contains data from several books and open access internet sources. A free powerpoint ppt presentation displayed as a flash slide show on id. Use of an optical instruments, such as a magnifying lens or any complicated device like microscope or telescope usually makes things bigger and helps us to see in a more detailed manner. The magnifying power or angular magnification of a visual instrument is defined as. The incident ray, normal and reflected ray all lie in the same plane. Using optical fibers, light can be piped from one place to another for.
The human eye and the camera lenses in combination and corrective optics the magnifying glass the. Physics notes for class 12 chapter 9 ray optics and. Ray optics or geometrical optics in this optics, the light is considered as a ray which travels in a straight line. Linear measurements in the direct method, the distance is actually measured during field work using a chain or a tape.
In order to resolve two points, their angular separation must be greater than. Analysis uses the procedures of geometrical optics. Remove this presentation flag as inappropriate i dont like this i like this remember as a favorite. This document is highly rated by class 11 students and has been viewed 10363 times. In this unit, lets learn about reflection, refraction, defects in the human eye and the lenses we use to correct them, and optical instruments such as the microscope and. Chapter 7 components of optical instruments components of optical instruments components of optical instruments absorption fluorescence phosphorescence scattering. Analysis uses the procedures of geometric optics ray model of light. Ray optics and optical instruments class 12 notes pdf download. The angle of incidence is always equal to angle of reflection.
Understanding how light rays can be manipulated allows us to create better contact lenses, fiber optic cables, and high powered telescopes. Components of optical instruments instrumental analysis. Knowledge of light was needed for the invention of optical instruments such as microscopes, telescopes, and cameras, in addition to optical. The most famous compound optical instruments in science are the microscope and the telescope which were both invented by the. These powerpoint presentations are shared by people all over the world to help you. Ray optics and optical instruments class 12 notes chapter. Microscope, instrument that produces enlarged images of small. The matter presented here is prepared by the author for their respective teaching assignments by referring the text books and reference books. Thin lenses and optical instruments university of rochester. Chapter7, skoog, holler, and nieman, principles of instrumental analysis a free powerpoint ppt presentation displayed as a flash slide show on.
Ppt optical instruments powerpoint presentation free. Optical instruments the eye and least distance of distinct vision so lets begin with optical instruments. The adobe flash plugin is needed to view this content. Ppt optical instruments powerpoint presentation, free download. Thin lenses and optical instruments physics 114 spring 2004 s. Light can travel with little loss in a curved optical fiber made of glass or plastic light pipe because the light is totally reflected whenever it strikes the corecladding interface and since the absorption of light by the core itself is small. Optics and optical instrumentation mit opencourseware. Carisbad, california and consultant in optics and design third edition mcgrawhill new york san francisco washington, d. Using the basic laws of reflection and refraction, we shall study the image formation by plane and spherical reflecting and refracting surfaces. Principle interferometers are optical instruments used for measuring flatness determining minute differences in length by direct reference to the wavelength of light.