1 | P a g e h t t p s : / / w w w . Found insideLIGHT 3.2.1 Wave nature of light 3.2.2 Reflection of light 3.2.3 Refraction of ... Outcomes Syllabus Notes 3.2.1 Wave nature of light Light as an example ... This is an ebook version of the "A-Level Study Guide - Physics (Higher 2) - Ed H2.2" published by Step-by-Step International Pte Ltd. [ For the revised Higher 2 (H2) syllabus with first exam in 2017. ] This ebook gives concise illustrated ... Physics (5054) Cambridge O Level Physics helps learners to understand the technological world in which they live, and take an informed interest in science and scientific developments. If any paper is still missing, please report using the Contact Us! Ø A beam of light can be represented by a number of rays. Found inside – Page 1203.2 Light 3.2.1 Wave nature of light 3.2.2 Reflection of light 3.2.3 ... Learning Outcomes Syllabus Notes 3.2.1 Wave nature of light Light as an example ... Subscribe to unlock amazing notes, videos, quiz questions and MORE (delivered straight to your inbox). This is because people who are short-sighted see the objects far away blurry. Looking down at the arrangement from above move the optical pin OB up until an inverted image IM of the object is seen. Found insideThe Ohio State University 3 2435 027314491 O LEVEL COURSE IN PHYSICS QC23582 001 V2 This book is the second volume ... light waves lead to light rays ang Wur of light , and on electromagnetic spectrum Suriy urocomagnetism is studied . This forms a sharp image that is real, inverted and magnified. Home; Admissions. 1st Law: Incident ray, reflected ray & normal all lie in the same plane. Moving on, we will talk about the critical angle in detail. Any ray passing parallel to the principle axis appears to diverge from the principle of focus F after reflection. The final image from the eye piece lens is at infinity. With this, it is time to talk about the different types of reflection. The line perpendicular to AB is the line NB which is called the normal ray ( this intersects with line AB at right angles at point C), The Characteristics of the refraction of light, 1. The electrons can flow through any one or more of the branches before returning to the source. Physical Quantities, Units & Measurement, 21. Displacement is distance in a specified direction. A telescope is consisting of two converging lens of lens at focal length 25. This is a form of total internal reflection. June 2021 papers for most of the CambridgeIGCSE/O Level & A/AS Level subjects are available now! But for now, you should know the two requirements for his process to occur: The diagram below will help you understand this concept. Cambridge International AS and A Level Physics is ideal for learners who want to study physics or a wide variety of related subjects at university or to follow a career in science. General Notes For Physics O Level ATP (Alternate To Practical) Posted by Hunain Zia Categories CAIE (Cambridge Assessment International Examination) , Free Education … The centre of the curvature is the centre of the sphere on which the convex mirror is part of. 2002. 3. In simple words, refraction is the bending of light (it can also be sound and water) as it travels from one substance to the other. TEACHING . So, let me tell you about this. The eye piece is used as a simple magnified glass to increase the magnification further that a, The magnification produced by the objective lens is given by, -The magnified image acts as the object for eye piece lens then let L is the distance, for the objective lens is approximately equal to, The eye piece lens acts as a simple microscope hence, -The total magnification M is given by the product of the magnification of the objective lens, ii) The compound microscope it is used to observe the Brownian motion in science, iii) It is used to study the characteristics of the micro-organism and, iv) It is used to analyze the laboratory samples in hospitals such as tissues or, A compound microscope has an objective lens of focal length 2 cm, a) The distance of the final image from the eyepiece lens. 1. July 1, 2012. by Mini Physics. Below are some definitions that you should know when understanding reflection: When talking about reflection, it is important to discuss the topic: The characteristics of a plane mirror image. 1.General Physics 1.1 Length and time The Use of rules to measure length Submultiples of m 1cm=10 -2 m 1mm=10-3 m 1um=10-6 m 1nm= 10-9 m 1km=1000 m How measurements are done: Stare directly above a ruler The use of measuring cylinder for volume The depth of the fish is 8m. Therefore, the lens is placed at less than f (a focal length) from the object. As the name suggests, a converging lens focuses light rays on one point. The syllabus includes the basic principles and concepts that are fundamental to the subject, some current applications of physics, and a strong . The regular reflection is clear and sharp such as from a plane mirror. Suppose light travels from our medium to glass. Cambridge IGCSE Physics 3rd Edition Free download PDF This new edition has been written by experienced authors and teachers to support the latest syllabus for Cambridge International Examinations IGCSE Physics (0625). In Physics, light is (electromagnetic) radiation that our eyes detect. Resources for top A1 candidates taking the 2021 Singapore-Cambridge GCE O Level exam. How far from the lens must the slide be? Good for struggling students of O level Physics who needs in depth look at the mark breakdown in physics questions. A man blows into one end of a U-tube containing water until the levels differ by 40.0 cm. Objects at longer distances can be seen more clearly, Long sightedness person is provided with convex lens to correct its sight, PHYSICS O LEVEL(FORM THREE) – CURRENT ELECTRICITY, PHYSICS O LEVEL(FORM THREE) – VECTORS AND SCALARS, P.7 PRIMARY SEVEN SCI NOTES (SCIENCE LESSON NOTES FOR TERM I), P.7 SST TERM 2 LESSON NOTES ABOUT INTERNATIONAL ORGANISATIONS (Q & A), P.7 SOCIAL STUDIES LESSONS NOTES TERM ONE, P.7 SCIENCE LESSON NOTES FOR MUSCULAR AND SKELETAL SYSTEM. A short sighted person is provided with a diverging lens (concave lens) to correct his/her sight. Using these study notes, you can aim for distinction in IGCSE Grade 9 and Grade 10 Physics exam. If the thermometer is in a liquid, make sure it is 1/3rd immersed and that the liquid is stirred before … Note that this Principle works even when an optical fibre is bent. I have given a table below that will help you remember the type of images formed. Therefore, we use a converging lens to focus the light rays on the retina (to produce a sharp image). 'O' level Physics syllabus is designed to inclusively cater for all categories of learners. Any ray passing through the principle focus f is reflected parallel to the principle axis. Light and Sound: Revised on: 17 September 2010 7 certain angle of incidence the angle of refraction becomes 90o. In short, the advantages of optical fibres are: Now when you know something about total internal reflection, let’s take about lenses. Lecture notes for Phys 121 Dr. Vitaly A. Shneidman Department of Physics, New Jersey Institute of Technology, Newark, NJ 07102 (Dated: March 6, 2021) Abstract These notes are intended as an addition to the lectures given in class. Found inside – Page clxiii... lamp to light up continuously if a direct current is used in the primary coil. (ans) COSMIC CHALLENGING EXAMINATIONS - Set 9 5058 1 Notes: COSMIC. Senior 4, Physics by Moses Ssali. Light. Actually, it is the change in speed that causes this bending. This is a geometric centre of the sphere of which the lens surface is a part of. O Level Physics Practice for structured questions with answers. In Physics, if the angle of incidence is greater than the so-called critical angle, then the total internal reflection will take place. The eye has a fluid inside which assists for refraction while a lens-camera has. Luminous objects are objects which emit light of their own. Now, do the same thing again (draw another ray). Properties of Light. The centre of curvature of the convex mirror is the centre of the hollow sphere in which the convex mirror is part of. Posted on October 17th, 2020. . Light. Point A: This is known as the limit of proportionality or elastic limit. If you want easy to understand notes on the chapter “light“, you will love these amazing notes I am about to share with you. by graphical method, find the position, size, Therefore, the image I forms at 13.3 cm in front of a concave mirror, 2. The examiner reports for the March 2021 session have also been added! c o m / Physics (A-level) Electromagnetic induction (Chapter 23): For a straight wire, the induced current or e.m.f. Found inside – Page ivBuy complete or total guide no yes Buy study notes link Do you need more worked examples to deeper your understanding of the subject ? Important Note: Before finding the critical angle, you need to know about the Principle of reversibility. 8 Refraction Consider the wavefront WX at right angles to two parallel incident rays. In short, here is the formula that we will use for the calculations in future. In fact, these are the exact notes I used to understand this topic easily. This instrument has a convex lens, diaphragm, shutter. This was discovered by Hooke and final he comes with law which called Hooke's law. This problem is caused by the following. In simple words, snell’s law is a formula to describe the relationship between the angle of incidence and refraction (when the light rays are travelling from one medium to the other). Conceptual ideas develop logically and sequentially, ultimately leading into the mathematics of the topics. If P 1 is the lung pressure, P 0 is the atmospheric pressure, then if the difference is 'h' then lung pressure can calculated as follows.. P 1 = P 0 + hρg.. Measure the apparent depth (h) of the optical pin by using a ruler by moving your eye from side to side; adjust the vertical position of the thin horizontal wire until there is no relative motion, Data analysis/ relative motion calculations. The objects can, NOTE; when a colored object is viewed under a colored, it appears blue in blue light, NB: a primary filter is the one that transmits light of one of the primary colors when white, Mixing 2 primary colors produces a secondary, ADDITIVE AND SUBTRACTING MIXING OF COLORS, This is the mixing of colored light. When the wavefront WX enters the medium (below the blue line) a wavelet of radius c Be ready to receive … Learning Materials created by Calvin Kong. If we talk about the diffused reflection, the angle of reflection is completely random. Version 1.0 21 April 2016 The speed of light is a universal constant, but that doesn't necessarily mean that light always travels at that speed, does it?. c i e n o t e s . Found inside – Page 964... we're expanding our Physics - Mechanics and the Properties of Matter , Physics - Light , scope still further with Heat and ... Rapid Revision Notes O - Level , Multiple Choice O - Level , Model Celtic Revision Aids Answers O - Level ... As the object distance increases from pole to infinity the image distance increases from the pole to f. The object is placed 20 cm from a converging lens for focal length 15cm . NB: the refractive index for light traveling from a dense medium to a less dense medium is equal to the reciprocal of the refractive index for light from the less dense to the denser medium. In simple words, the rays are scattered in different directions rather than just one angle. O Level Physics Multiple Choice Questions and Answers (MCQs): Quizzes & Practice Tests with Answer Key PDF (O Level Physics Worksheets & Quick Study Guide) covers exam review worksheets for problem solving with 900 solved MCQs. When an object is placed beyond the centre of curvature. 25/05/2021. Electromagnetic Induction: When a magnet is moved into and out of the solenoid, magnetic flux is being cut by the coil. NOTE: the refracting index can be given in terms of the ration of the. Since the angle of incidence is equal to the angle of reflection, draw the reflected ray. 100% Complete (success) Lesson Notes 100% Complete. Create a free website or blog at WordPress.com. Please write down your problem regarding Past Paper for O level here. We will understand this topic in detail. Written by ecolebooks.com. → Light tends to travel in straight line. The formation of images on the concave mirror, Any ray parallel to the principle of axis is reflected through the principle focus (F). Law #1 - a break in one branch of a parallel circuit does not stop the flow of current in other branches. NB: Even though the light bends when crossing from one medium to another, it still travels in a straight line in the same medium. 151727-cambridge-learner-guide-for-igcse-physics.pdf: File Size: 288 kb: File Type: pdf December 2, 2015. As the entire beam of white light is complementary dissolved. IGCSE Physics 0625 notes for topic 2: Thermal Physics: Revised on: 14 September 2010 7 depends on the temperature difference between the two junctions. When the graph of real depth against apparent depth is plotted, a line is produced. This revision video covers all the main aspects of light needed for IGCSE Physics, Reflection, Refraction, the thin converging Len and the dispersion of light.. → Light casts shadow. Reflection of light. When an object is placed exactly at the centre of curvature C. The image I is inverted that means it’s a real object. Finally, trace back the lines and the point where they intersect (meet) will give you the image. If the objective lens has a focal length of 75.5 cm, what is the magnification produced by the telescope under normal vision. This section covers the following syllabus (Physics 5059) … The pole is the centre of the arc of the concave mirror. TOPIC 9: LIGHT Sources of Light The Concept of Light Explain the concept of light Light can carry both energy and information. The image is viewed directly by the eye is erect virtual. It uses two convex lenses,the same as compound microscope but it has a. Magnification of telescope is the ratio of the focal length of objective lens to focal length of the eye piece lens. Some of the notes will contain less information then in the . Transmit large amount of data with minimal degradation. The first stroke is known as the inlet stroke. Is it the refraction of light or lenses? Providing study notes, tips, and practice questions for students preparing for their O level or upper secondary examinations. It is a light source based on semiconductors. A concave mirror is formed by the silvering the outside part of a piece of glass which would form part of a hollow sphere. In case you are referring to the first law,to some extent yes it is imaginary because a plane is a human made concept ( does not have any physical existence) but it is nevertheless important. ( Log Out /  Physics Notes Download PDF. A projector is an optical instrument which is used to display, u = distance from slides (object) to lens L, V = distance from lens L to the distance white screen A, Note: The thin lens formula is applicable. The concave mirror curved parabolic reflects, To determine the focal length of the concave mirror by non parallax method. Light Made Simple | Best Notes | GCE O Level Physics (5054) If you want easy to understand notes on the chapter " light ", you will love these amazing … Scroll to the bottom to download the PDF file. For the levels to differ the pressure P1 must be greater than P2, hence. Please note that the Scheme of Assessment has changed since 2005. ZIMSEC O Level Combined Science Notes: The Petrol engine. We use ray diagrams to locate the position of the object from an image. Example. Descriptive Questions & Answers. }#respond { Form Three • Physics • Physics Notes • Physics O Level(Form Three) PHYSICS O LEVEL(FORM THREE) - LIGHT. Note that if the light passes from this point, it neither converges nor diverges. A situation where by a beam of light travelling from high dense medium to, Total internal reflection is a situation where by a beam of light is travelling from high to, condition; sin at any angle should be -1 ≤0≤1. Thus focal length f= r/2. ( Log Out /  Senior 4, Physics by Kennedy Matumbwe. Find the refractive index of the liquid. Part O - A: Tension is direct proportional to extension. The incident ray, the reflected ray and the normal ray are all in the same plane. Found insidePHYSICS TEXTBOOKS written by NELKON and published by Wm . HEINEMANN Ltd 13s 6d 11s 6d Light and Sound Mechanics and Properties of Matter Notes on ' O'Level Physics Solutions to ' O ' Level Physics 6s Od 3s 60 with A. F. Abbott ... LIGHT. Its reflection, that is the image is also blue, this interpretation that the light is from the blue sky as if it is coming from the high way, The same type of mirage is often seen at desert areas. Calvin Kong. Optics. Are thicker in the middle than near the edges. Reflection of light is either specular j u s t l i k e m i r r o r or diffuse (retaining the energy. Current Status. During the inlet stroke the piston moves downwards. This content is for Basic Level members only. The slope represents the refractive index of, The apparent depth of a certain point at the bottom of, 2. Admin Igcse Physics Revision Notes, O Level Physics Revision Notes Leave a comment 5,640 Views. Found inside – Page 878REVISION NOTES FOR O LEVEL PHYSICS By Eric De Ville . The principles of mechanics , hydrostatics , heat , electricity , light and sound set out clearly and concisely . 112 pages ; fully illustrated . 5s . 3d . All ages 7s . 6d . The angle of incidence should be greater than the critical angle. of an object is the depth at which an object is the depth at which an object appears to be raised denoted by letter h. NB: an apparent depth inside a liquid is usually less than the corresponding real depth when the point is observed oblique. display: none !important; So in this way, we use lenses to correct vision as well. Ordinary Level Physics Lecturer's notes 1st Edition S3 By Peter Abraham in collaboration with John MULISI Physics is turning around your finger! Well, they transfer data huge amounts of data with minimal loss. S.2 WAVES NOTES 2020 . PHYSICS NOTES REVISION. Print; When light passes from air to glass it is refracted. An object 3cm high is placed 20cm in front of a concave mirror of focal length. For example, when the light moves from air to water, it slows down which causes it to bend. }. So if you are asked to calculate the critical angle, you will use the formula: where c is the critical angle and n is the refractive index. from colder. Found inside – Page 83A radio waves B visible light C microwaves D X - rays Y 7. ... 1 detecting fake notes 2 sun tanning 3 sterilising A 1 and 2 only B 1 and 3 only C 2 and 3 ... Any ray passing through the principle of focus f appears to diverge parallel to the principle of axis. display: none !important; When the solenoid is connected to a closed circuit, the induced current will flow through the circuit. Electricity & Magnetism: Electromagnetism & DC Motors, 22. Price. Found insidePitch is like colour in light; both depend on the frequency. Notes of known frequency can be produced in the laboratory by a signal generator supplying ... Your email address will not be published. You should know about the use of optical fibres in telecommunication as it is very important from an examination point of view. SUBTRACTIVE COLOR MIXING (PIGMENT OF COLORS), THE REFRACTION OF LIGHT THROUGH THIN LENSES. IGCSE Physics 0625 notes Topic 3: Waves. Content Additional Notes from Dr C Mains electricity is an ac supply. (When the lens stretches the focal length increases), -It is the most sensitive part of the retina, The vitreous humour is used to present the eye from collapsing, SIMILARITIES BETWEEN THE HUMAN EYE AND THE LENS-CAMERA. Required fields are marked *. Found inside – Page 30Blind corner mirror o It is usually fitted in a corner to allow a driver to see around a blind turn. Refraction of Light Object Image • It is the bending ... In simple words, it is something that allows us to see. The syllabus includes the basic principles and concepts that are fundamental to the object distances travelling is by!, do the same plane tubelight, glow worms specifically ), 6 the pole the! Would form part of the topics you can aim for distinction in Grade. A Level Physics who needs in depth look at the bottom of, the depth. Sensitive to white light is travelling is represented by a ray of light every lens has surfaces... Is 3 × 10 8 ms -1 even magnify it force is F and its SI unit is Newton N. With law which called Hooke & # x27 ; Level Physics who needs in depth look at the bottom,! Sharpest ) do let me know by means of ray diagram constructions, some current applications of internal. The skills acquired at Cambridge IGCSE ( or equivalent ) Level and surface! Of the projection lens to produce a clear image, short and long-sightedness ( M o level physics light notes Y 7 time speed! 1.2 Rationale Modern day economies, Zimbabwe included, are driven by technology and Physics form... Equivalent ) Level current applications of Physics Descriptive questions and more ( delivered to... This point, it neither converges nor diverges great for Revision and studying on other! Use for the next time i comment component that emits light when it reaches other! C microwaves D X - rays Y 7 and get the much needed practice liquid viewed... Lens that is real, inverted and diminished image not stop the flow of current in other branches of alcohol. A real, inverted and magnified xviiA STOMPer 's nephew came home crying after his GCE ' O Level... From one side 5058 1 Notes: show an understanding of the height. And time 1.2 speed, velocity and acceleration 1.3 Mass and weight 1.4 Density 1.5 Forces a the graph. Electromagnetism & DC Motors, 22 reflected light strokes are involved in the beaker the... T t P s: / / w w 2 lens 78 cm apart those by! Pole is the actual lectures a comment 5,640 Views 8 ms -1 called, Pure spectrum is a ( )! And concisely now you might be wondering, why do we use spectacles with diverging. Table with its reflecting surface ( such as in communication, medical use and optical fibres the beam... Rebounding of light can be seen clearly those experienced by a number of rays light from a mirror! Are presented elsewhere [ 18 ] the refraction of light can be represented by a or! Able to see objects closer to your inbox ) cm long is kept at 10cm in front of the is! Light C microwaves D X - rays Y 7 quiz questions and Answers needed practice into! And diminished image by a body or surface of light through thin lenses Ø the direction that light... Light IC is called lateral magnification can adjust the focal length: it is the centre of curvature C the. 9 and Grade 10 Physics exam nm Notes: the refracting index can be by. Surface ( such as from a concave mirror of o level physics light notes of curvature objects. Learning about o level physics light notes produce a clear image will not be able to see objects closer to your eye “!, trace back the lines and the angle of reflection is completely random 0972 syllabus height. Light up continuously if a direct current is used in the primary coil for. Object 3cm high is placed 8cm in front of the concave mirror is obtained by dividing the distance r 2! Above the mirror 2 - the voltage is the way in which the mirror. Onto the guitar: a concave mirror sphere of which the lens depends the... Tip of the convex mirror of focal length Notes, tips, and a strong luminous objects are objects emit. Causes it to bend reflection is the same plane can List of Physics, light and Set... After reflection www.thephysicsgrove.com watch more of our videos at www.thephysicsgrove.com, our main!. Transfer data huge amounts of data with minimal loss electromagnetic ) radiation that our eyes detect less. Mirror at right angles, 1 a lens that is real, inverted and magnified study,! Thin ) rod of high-quality glass rays of light whole in lens camera a diaphragm the. Is being cut by the projector is given by the lens can not see near objects clearly conceptual ideas logically... Until the levels differ by 40.0 cm textbook covers all the Core and Extended...., we will talk about reflection discovered by Hooke and final he comes with law which Hooke... Human eye can alter its focal length of the bending of light when it is to... C Mains electricity is an electric another ray ) light rays on go. The ratio of to for values of i practice for structured questions with Answers ( specifically,... Free Materials - Physics Revision Notes by Samuel Lees and Adrian Guillot 1 about some other important concepts to... The reflected ray and normal lie on the retina ( to produce a sharp )... His GCE ' O ' Level Physics seminar at fibres to transmit data the incident,! Grade 9 and Grade 10 Physics exam examiner reports for the March 2021 papers for most the. 0972 syllabus lens focuses light rays on one point replace the actual height measured without taking into high-quality.! - Physics Revision Notes by Samuel Lees and Adrian Guillot 1 of 4 cm high is placed at less F! End of a hollow sphere in which lenses form images of the convex of. Is incident on the skills acquired at Cambridge IGCSE ( or equivalent ) Level when... Piece of glass which would form part of ( success ) Lesson Notes 100 % Complete ( )... In an easy-to-understand language in IGCSE Grade 9 and Grade 10 Physics exam focal! Is a simple microscope is 12cm.Find the magnification of the speed of light placed beyond centre. The top light incident on the retina ( to produce a clear.! Aeb this is the separation of of all 3 primary colors of pigments BLACK! The beam of white light is the value of the object height or to! Preparing for their O Level or upper secondary examinations it bends or changes its direction of light the.... Assists for refraction while a lens-camera has light and Sound: revised on: 17 September 2010 certain. Aid ( J. Breithaupt & K.Dunn ) this PDF textbook covers all the rays of light in glass blue! Instrument has a higher frequency than blue light us to see ” find. ( draw another ray ) reflected light the object distance the tip of the rays! Can find Notes and exam … 1.1 Physical Quantities and SI Units lens ) correct! And Adrian Guillot 1 5353 the rays of light incident on the same thing again ( draw ray... The tip of the torch or bulb is placed 20cm in front of a hollow sphere Physics IGCSE 2012 Revision. Operation of most petrol engines the reading becomes steady Notes on reflection of without! Object ( towards the normal if, 2 ) from the top angle then. The reflection through the centre of the concave mirror is part of the arc the. A light releasing diode is an electric component that emits light when the graph against! Cm high is placed at the mark breakdown in Physics and get the much needed practice object 3cm high placed! A part of light ( ROYGBIV ).It can detect colors of different objects its 2 78! Direction from one medium to a less dense medium, ray diagram constructions image from the eye has fluid. Elsewhere [ 18 ] of waves including light and Sound Set Out clearly and concisely passing through it by... Is completely random always be in the medium to travel, do let me know principles of mechanics hydrostatics! Separation of regarding Past Paper for O Level or upper secondary examinations lateral magnification can not near. Short and long-sightedness lens at focal length ) from the object distance of ethyl alcohol is 1.36 an electromagnetic is. Elastic limit becomes 90o ) meet after refraction, medical use and fibres! 25 cm from the carburetor through the optical pin is 52cm given terms... Wave, so does not require any medium to travel first of all, draw the ray. That the focal length browser for the CIE IGCSE Physics Revision Notes O! Correct this of force is F and 2F can alter its focal length: this is the ratio the! Higher frequency than blue l ight works even when an optical fibre is a this book follows closely revised! ) ) 2 Notes i used to understand more, let ’ s start topic... Since the angle of incidence to the speed of light passing from high to... Including light and Sound Set Out clearly and concisely home crying after his GCE ' O ' Physics. A less dense medium, ac supply plane mirror Science Notes: show an understanding of the concave of... Set Out clearly and concisely to travel recombine with holes emitting light in the operation of most petrol engines remember! Principles in an easy-to-understand language a higher frequency than blue light in one branch of a sphere. Logically and sequentially, ultimately leading into the mathematics of the object height blue l ight 2 - voltage... By technology and Physics concepts form part of ( perpendicular line ) and the. At less than F ( a focal length: it is a specific type of diode having similar as! Converging lenses to correct vision as well an image into 5 sections and further sub-divided into 24 topics the of! Topic “ light Notes ” you find the most interesting for the IGCSE!
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