Lenses in optics applications types of lenses physics. The lens is transparent piece of glass or plastic which has a curved surface. A practical guide to working in an optics lab ebook written by peter beyersdorf. A simple lens consists of a single piece of transparent material while compound lenses consist of several simple lenses arranged along with a common axis. Quick stream to show you the thin lens experiment in class today. Advanced practical physics, m s chauhan and s p singh, pragati prakashan, meerut. To find the focal length of a convex lens by plotting graph between u and v. The placement of lenses are such that they lie on a single axis, and properties like focal length are calculated again for the new compound lens. At gorilla physics were all about you understanding more, so you get more confident, then. But an essential part of the cbse exam is the practical exams which consist of 30 marks. As the cbse exam approaches, students get busy preparing for different subjects. Cbse class 10 physics refraction through prism lab manual.
Physics practical class 12 for board examination 2019 20. A guide to support non specialists with the lenses aspects of the new edexcel gcse. Get free, curated resources for this textbook here. Pdf on nov 25, 2014, deborah sand and others published lenses find, read and cite all the. This book discusses the geometrical aberrations of lenses. Lenses, refraction, and optical illusions of light duration. Determination of focal length of concave lens using convex lens. The experiment is to enable students to physically observe the image produced. Also, include a copy of this file for your lab book. Finding the focal length of a lens using the ray box.
Compound lenses are those constructed out of a combination of different simple lenses. Focal length of a lens the following website should be accessed before coming to class. The practical approach to modern aspects of photonics and laser physics on free shipping on qualified orders. The link gives details of how to use this as an investigation for a good yr 8 class, but it could be adapted. The overall aim of this experiment is to demonstrate how focal length and image. Thin lens equation experiment live a level physics. Scale, two convex lenses, goniometer, mirron, pin, lamp. The lens types used to build a compound lens may have different refractive indices and other properties. Snells law and refraction principles are used to explain a variety of realworld phenomena.
Find all the books, read about the author, and more. The book contains several articles likely to be of interest to teachers of physics. A lens is a transmissive optical device that focuses or disperses light beams by means of refraction. Electron beams, lenses, and optics, volume 2 deals with the aberrations relating to electronic optics. Difference between mirror and lens and its application in the practical world are provided here. We use the lens formula in this experiment to calculate the focal length of the concave lens.
Download for offline reading, highlight, bookmark or take notes while you read laboratory optics. Physics is one of the most important subjects in class 12. Lenses in optics applications types of lenses physics byjus. Lenses can be thought of as a series of tiny refracting prisms, each of which refracts light to produce their own image. A lens can focus light to form an image, unlike a prism, which refracts light without focusing. Produced by the physics group university of cape coast as part of a delphe funded project. As light from an object refracts as it passes througha a converging or diverging lenses it bends, allowing up to see images. Difference between mirror and lens with its practical. Cbse physics practical class xii finding the focal length of a. I used the idea given in hanmphillips resource on this website about using lenses made from jelly to focus light. The ray nature of light is used to explain how light refracts at planar and curved surfaces. Finding focal length of a converging lens practical youtube. An introduction to lenses this short video covers some of the terminology you need to know when learning about lenses over the next few videos.
Detailed study of aberrations is offered in part ii of the lenses experiment. Physics notes on the alternative to practical paper. Physics videos by eugene khutoryansky 66,120 views. Yes you cn use jelly to focus light nd the children were fascinated. In the chapters on the microscope and photographic lenses less use is. Ncert class 10 science lab manual image formation by a. Teacher packs in experimental science phy pack 5 finding the. Photo of the results of this practical on the blog.
794 1520 1522 240 268 547 729 44 992 1077 688 1481 800 1140 727 93 112 1506 924 189 812 654 371 504 34 1044 1186 205 673 653 345 578 35 920 1266 1353 1480 1414