lab manual experiment #29. 0000004175 00000 n P = λ 2sinθ Making Diffraction Gratings Diffraction: The effects of diffraction of light were first carefully observed and characterized by Francesco Maria Grimaldi, who also coined the term . When light travels in air, it encounters various phenomena like interference, refraction, reflection and diffraction. Welcome to ours website LearnEngineering.in!!! For any quarries, Disclaimer are requested to kindly contact us, We assured you we will do our best. If you have good aim, the ball is always going to bounce back. 0000017777 00000 n January 2007; DOI: 10.1007/978-0-387-68327-0_2 In book: Demonstrational Optics startxref The diffraction is the deviation suffering waves around the edges and corners that occurs when a portion of a wavefront is interrupted or cut it by a barrier or obstacle. Using Vernier Labquest, and Vernier Light Sensor (LS-BTA) This experiment is a complement to the . 4.3. A diffraction grating is illuminated with yellow light at normal incidence. Diffraction, the spreading of waves around obstacles.Diffraction takes place with sound; with electromagnetic radiation, such as light, X-rays, and gamma rays; and with very small moving particles such as atoms, neutrons, and electrons, which show wavelike properties.One consequence of diffraction is that sharp shadows are not produced. xref Fringes width in interference of light is equal while in the diffraction of light fringes width is not equal. 0000003847 00000 n P = λ 2sinθ Making Diffraction Gratings WISHING EVERY PERSON WHO GETS THIS MATERIAL FROM OUR. Disclaimer : LearnEngineering does not own this book/materials, neither created nor scanned. Find a window with sheer curtains and observe a street light through the curtains. 183 27 we provide the links which is already available on the internet. This experiment will need to be done at night when the street light is lit. Learnengineering.in collected the various Topic wise notes for JEE(Joint Entrance Exam). 0000001090 00000 n Typical approach to solving diffraction problems Download Diffraction of Light (Physics) notes for IIT-JEE Main and Advanced Examination. imum of the other. Thank you, Link is Successfully Activated to save the Book/Material (PDF). Below article will solve this puzzle of yours. LearnEngineering team try to Helping the students and others who cannot afford buying books is our aim. Kindly, Switch to hard copy of this Book & Buy it officially from the publishers and utilize your potential efficiently and with more confident. Objectives Describe how light waves bend around obstacles and produce bright and dark fringes. WISHING EVERY PERSON WHO GETS THIS MATERIAL FROM OUR SITE ALL THE VERY BEST !! This collection is very useful for JEE candidates to crack their upcoming JEE Examination. A GOOD MATERIAL ALONG WITH WELL EXPLAINED TEXTBOOKS PLAYS A KEY ROLE IN FETCHING APPRECIABLE GOOD RANK. which is laden with water vapor, the Diffraction refers to various phenomena that occur when a wave encounters an obstacle or opening. This method relies on the interference pattern between two plane wave light sources. It states that every point on a wavefront can beconsidered a source for another wavefront which will then become asource for further wavefronts as shown: Here we see a spherical wavefront generating a series ofwavelets. 0000004097 00000 n Lecture aims to explain: 1. Click below the link “DOWNLOAD” to save the Book/Material (PDF), DOWNLOAD – Diffraction of Light (Physics) – Free Download PDF. Chapter 5 diffraction Walter O'Brien. 0000007483 00000 n This method relies on the interference pattern between two plane wave light sources. color). 0000000851 00000 n The net effect is to shift the pattern so that the maximum is not at y=0 but at y=Lsinθ. Envelope Diffraction minima given by, asin( q) = m l Interference maxima given by, dsin( q) = n l Figure 5: A two-slit difiraction pattern and intensity proflle. The side parts of the wavelets are said tocombine and cancel each other, leaving behind only the front part ofthe wave. diffraction or bending of light waves around the edges of objects and the subsequent interference of the diffracted waves. Diffraction of light philitup12. It is convenient to draw an envelope curve to understand the pattern. Due to the radial behavior of light, this behavior is influenced by the distance between the light source and the screen of observation as well as the size of the aperture. A pair of identical, parallel, and face-to-face diffraction gratings and two mirrors (M1 and M2) form a resonant cavity. 0000003175 00000 n 4. Diffraction of Light . For light coming in at an angle ∆θ, its plane-wave light will have slightly dif-ferent phases at differnent parts of the slit. It is defined as the bending of waves around the corners of an obstacle or through an aperture into the region of geometrical shadow of the obstacle/aperture. The reason is the electronic devices divert your attention and also cause strains while reading eBooks. VPL_Lab - Interference and Diffraction of Light 5 Rev 12/19/18 Theory A. Diffraction and Interference While you’re waiting for your opponent to arrive at the tennis court, you can warm up by hitting the ball against a wall. The terms diffraction and scattering are often used interchangeably and are considered to be almost synonymous. You can count on the ball to behave in a predictable manner. Light waves are very small in wavelength,i.e, from 4×10 -7 m to 7 × 10 -7 m. If the size of opening or obstacle is near to this limit, only then we can observe the phenomenon of diffraction. Is This Material is Helpful to you Kindly Share It !!! One of the effects of diffraction is the production of interference or fringe patterns. Lab Preparation Light is an electromagnetic wave, like a radio wave, but very high frequency and very short wavelength. 0000010277 00000 n 0000007126 00000 n Chapter 7 starts by providing some simple observations of light diffraction—the reciprocal relation between the diffracting object and diffraction pattern. A monochromatic light source is incident on the first screen which contains a slit . When the light comes in contact with an obstacle, diffraction of light takes place. 0000003603 00000 n diffraction maximum. Describe how diffraction determines an optical instrument’s ability to resolve images. You have entered an incorrect email address! The new pattern consists of [PDF] MA8151 Engineering Mathematics – I Lecture Notes, Books, Important 2... [PDF] Computer Fundamentals By P. K. Sinha Free Download. v. DJ/ Party Lights, Diffraction glasses, for Fireworks, Light shows, 3d movies, Lasers. Step-1 : Read the Book Name and Author Name thoroughly. The terms diffraction and scattering are often used interchangeably and are considered to be almost synonymous. One of the effects of diffraction is the production of interference or fringe patterns. 992 CHAPTER 36 DIFFRACTION 36-3 Diffraction by a Single Slit: Locating the Minima Let us now examine the diffraction pattern of plane waves of light of wavelength l that are diffracted by a single long, narrow slit of width a in an otherwise opaque screen B, as … 8) Recognize real-world applications of interference and diffraction of light. 0000017337 00000 n One of the trusted Educational Blog. Just take a look. 0000013583 00000 n When light diffracts off of the edge of an object, it creates a pattern of light referred to as a diffraction pattern. Notify me of follow-up comments by email. 0000001582 00000 n endstream endobj 208 0 obj <>/Size 183/Type/XRef>>stream A lithographic technique is often used to produce diffraction gratings. PLAYS A KEY ROLE IN FETCHING APPRECIABLE GOOD RANK. Lecture aims to explain: 1. The interference is the combination of the superposition of two or more waves that are in a point of space. vi. It is constituted by two different examinations – JEE Main and the JEE Advanced. If You Think This Materials Is Useful, Please get it legally from the PUBLISHERS. Write CSS OR LESS and hit save. 0000007260 00000 n Diffraction of light: Diffraction From Various Aperture E ICA J OSEPH The diffraction of light is characterized by the behavior light showcases as it passes through a path obstructed by shapes and films. Many candidates are facing problems in collecting Maths, Physics and Chemistry Topic wise notes collection for JEE(Joint Entrance Exam). 7) Describe what a Morie’ pattern is and how it is formed. Light passing through a single slit forms a diffraction pattern somewhat different from those formed by double slits or diffraction gratings, which we discussed in the chapter on interference. x�b```b``�g`� |����+^�X``�^ �`S�x���fJK``� j��830�2�p6����6p�|��4�c�v�D�U�̿��k�1XͿ����!���*+ �+$��7����`�f�� �%� x�bbbe`b``Ń3� � � n�� no light in the region between the primary maxima. LearnEngineering is a free Educational site for Engineering Students & Graduates. The pattern seen on a screen behind the grating consists of three yellow spots, one at zero degrees (straight through) and one each at ±45°.You now add red light of equal intensity, coming in the same direction as the yellow light. 3 – Single Slit Diffraction Diffraction is basically interference of light with itself which occurs when peculiar physical conditions are satisfied. The diffraction pattern has different proprieties than the interference patter and both might be present at the same time. Diffraction and the Wavelength of Light Goal: To use a diffraction grating to measure the wavelength of light from various sources and to determine the track spacing on a compact disc. 0000010177 00000 n Suggestion to Viewers: If you’re little serious about your studies, you should never consider eBooks/Books in PDF. Diffraction of Light Illustration of Diffraction: A coherent, monochromatic wave emitted from point source S , similar to light that would be produced by a laser , passes through aperture d and is diffracted, with the primary incident light beam landing at point P and … You can count on the ball to behave in a predictable manner. The importance of diffraction in any particular situation depends on the relative size of the obstacle or opening and the wavelength of the wave that strikes it. [PDF] Electronics and Communication Engineering Eighth Semester Subjects Lecture Notes, Books,... [PDF] Electrochemistry By Christine Lefrou & Pierre Fabry and Jean-Claude Poignet... [PDF] Improving Of The Heat Transfer From A Moulding Block In... [PDF] Anna University First Year First Semester [R2017] Subjects Lecture Notes,... [PDF] Modern Engineering Thermodynamics By Robert T. Balmer Free Download, [PDF] Solar Energy For Cooling And Refrigeration. LearnEngineering is a free Educational site for Engineering Students & Graduates. Ch 27 interference & wave nature of light online Scott Thomas. particle in the atmosphere. Interference of two one dimensional electromagnetic waves 3. When light passes through a small opening, comparable in size to the wavelength λ of the light, the wavefront on the other side of the opening resembles the wave. [PDF] Concise Guide to Software Engineering: From Fundamentals to Application Methods... [PDF] Quantitative Book Made Easy By Ramandeep Singh Free Download. Interference of two one dimensional electromagnetic waves 3. • To gain familiarity with single-slit and multi-slit diffraction patterns. trailer Diffraction of light 2015dustywest. Enter your email address to subscribe this blog and receive notifications of new posts by email. Properties of Light- Diffraction which serve as the sources of coherent light. We started LearnEngineering as a passion, and now it’s empowering many readers by helping them to understand the engineering concepts from ours blog. Typical diffraction problems: a slit, a periodic array of slits, circular aperture . Diffraction Solo Hermelin. The diffracting object or aperture effectively becomes a secondary source of the propagating wave. Step-3 : Click the Download link provided against Topic Name to save your material in your local drive. <]>> You may visit the respective link by clicking the icon against each topic name and you can download PDF file. iii) Light travels in straight line. of the diffraction of light from the dust. Diffraction of waves in everyday life and applications 2. diffraction of light. 0000013326 00000 n 15.In Fresnel diffraction A. source of light is kept at infinite distance from the aperture B. source of light is kept at finite distance from the aperture C. Convex lens used D. aperture width is selected so that it can acts as a point source 16.in the diffraction pattern using circular aperture , when the screen is brought . Welcome to ours website LearnEngineering.in!!! Check your Email after Joining and Confirm your mail id to get updates alerts. Diffraction through a Single Slit. Diffraction is the deviation from a straight path that occurs when a wave such as light or sound passes around an obstacle or through an opening. The explanation of how light can spread is given by the Huygens-Fresnelprinciple. DIFFRACTION OF LIGHT Bending of light rays from sharp edges of an opaque obstacle or aperture and its spreading in the eometricle shaddow region is defined as diffraction of light or deviation of light from its rectilinear propogation tendency is defined as diffraction of light. iv) The common phenomena of light are formation of shadows, formation of images by mirrors and lenses, bending of light by a Step-2 : Once again Check the Format of the Book and Preview Available. We DO NOT SUPPORT PIRACY, this copy was provided for students who are financially troubled but deserving to learn. Due to the radial behavior of light, this behavior is influenced by the distance between the light source and the screen of observation as well as the size of the aperture. Joint Entrance Examination (JEE) is an engineering entrance examination conducted for admission to various engineering colleges in India. So we are here providing JEE (Joint Entrance Exam) Topic-wise notes collection for Physics, Chemistry and Mathematics individually. Typical diffraction problems: a slit, a periodic array of slits, circular aperture . Diffraction of Light (Physics) notes for IIT-JEE Exam detailed in the below table…. 0000017569 00000 n When light of wavelength λ passes through one slit of width a the pattern Diffraction describes a specialized case of light scattering in which an object with regularly repeating features (such as a diffraction grating) produces an orderly diffraction of light in a diffraction … How wide is the central maximum (a) in degrees, and (b) in centimeters, on a screen 20 cm The diffraction pattern has different proprieties than the interference patter and both might be present at the same time. The pattern seen on a screen behind the grating consists of three yellow spots, one at zero degrees (straight through) and one each at ±45°.You now add red light of equal intensity, coming in the same direction as the yellow light. The grating period can be changed by changing the angle between the two. Final Physics Project Andrew . i) Light is a form of energy which helps us to see objects. We started LearnEngineering as a passion, and now it’s empowering many readers by helping them to understand the engineering concepts from ours blog. 0000002750 00000 n 0000004220 00000 n Diffraction and the Wavelength of Light Goal: To use a diffraction grating to measure the wavelength of light from various sources and to determine the track spacing on a compact disc. 0000003556 00000 n When light of wavelength λ passes through one slit of width a the pattern are based on diffraction. We need Your Support, Kindly Share this Web Page with Other Friends, If you have any Engg study materials with you kindly share it, It will be useful to other friends & We Will Publish The Book Submitted By You Immediately Including The Book Credits (Your Name) Soon After We Receive It (If The Book Is Not Posted Already By Us). The grating period can be changed by changing the angle between the two. Diffraction of light 1. learn more... Website Designed and Maintained by LearnEngineering Network | Website CDN by MaxCDN | Website Security by Sucuri. Diffraction of Light. A lithographic technique is often used to produce diffraction gratings. DIFFRACTION OF LIGHT - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. 6) Describe how diffraction is related to an optical instrument’s resolution. endstream endobj 184 0 obj <>/Metadata 10 0 R/PieceInfo<>>>/Pages 9 0 R/PageLayout/OneColumn/OCProperties<>/OCGs[185 0 R]>>/StructTreeRoot 12 0 R/Type/Catalog/LastModified(D:20090817144129)/PageLabels 7 0 R>> endobj 185 0 obj <. Properties of Light- Diffraction The new pattern consists of Diffraction of Light (Physics) Notes for IIT-JEE Exam Free Download, “Free Download Diffraction of Light (Physics), [PDF] Atomic Structure (Chemistry) Notes for IIT-JEE Exam Free Download, For Security purpose (Spam Protections), You need to Verify the below Captcha to Active your, If You Think This Materials Is Useful, Please get it legally from the, A GOOD MATERIAL ALONG WITH WELL EXPLAINED TEXTBOOKS. One of the trusted Educational Blog. The light waves emerging from the two slits then interfere and form an interference pattern on the viewing screen. • To learn that diffraction is the bending of waves around an obstacle, and to differentiate this from projection. Diffraction describes a specialized case of light scattering in which an object with regularly repeating features (such as a diffraction grating) produces an orderly diffraction of light in a diffraction … DIFFRACTION OF LIGHT - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. 183 0 obj <> endobj 5) Predict the locations of bright and dark fringes caused by diffraction using the diffraction equation. You all must have this kind of questions in your mind. ” Download Diffraction of Light (Physics) PDF File”, “where to find Diffraction of Light (Physics) Notes“, “Free Download Diffraction of Light (Physics) PDF”, “How to Download PDF of Diffraction of Light (Physics) Free?”. 0000006975 00000 n As light from stars. VPL_Lab - Interference and Diffraction of Light 5 Rev 12/19/18 Theory A. Diffraction and Interference While you’re waiting for your opponent to arrive at the tennis court, you can warm up by hitting the ball against a wall. Diffraction of Light Teacher Notes Objectives: • To recognize that light is a wave with a small wavelength. The Joint Seat Allocation Authority (JoSAA) conducts the joint admission process for a total of 23 Indian Institute of Technology campuses, 32 National Institute of Technology campuses, 18 Indian Institute of Information Technology campuses and 19 other Government Funded Technical Institutes(GFTIs) based on the rank obtained by a student in JEE Mains and JEE Advanced. %%EOF Figure \(\PageIndex{2}\) shows a single-slit diffraction pattern. Diffraction of Light. Kindly Note : For Security purpose (Spam Protections), You need to Verify the below Captcha to Active your Download Link. [PDF] CS8381 Data Structures Laboratory Lab Manual R-2017. It then looks at the nature of light as explained by Newton and Huygens. Production of interference or fringe patterns re little serious about your studies, you need be... Coming in at an angle ∆θ, its plane-wave light will have slightly dif-ferent phases at differnent parts of superposition. Terms diffraction and scattering are often used interchangeably and are considered to be done at night when the fringes is! With itself which occurs when peculiar physical conditions are satisfied relies on the viewing screen Scott... Is related to an optical instrument ’ s ability to resolve images Francesco. Interfere and form an interference pattern between two plane wave light sources your mail id to get updates alerts Stanfield... Light of wavelength 750 nm passes through one slit of width a the pattern and! Light takes place if the size of the edge of an object, it reflects light! Notes for JEE ( Joint Entrance Exam ) superposition of two or more waves that in... A street light through the curtains Maintained by learnengineering Network | Website CDN by MaxCDN | Website CDN MaxCDN... Colleges in India scattering, and Website in this browser for the next time i comment email, Vernier. It creates a pattern of light ( Physics ) notes for JEE ( Joint Entrance ). Role in diffraction of light pdf APPRECIABLE GOOD RANK collecting Maths, Physics and Chemistry Topic wise notes IIT-JEE! Reading eBooks diffraction gratings Maintained by learnengineering Network | Website CDN by MaxCDN | Website CDN by MaxCDN Website! Be present at the second screen which has two parallel slits s S0 1 S2! Save your MATERIAL in your local drive Educational site for engineering students & Graduates emerging from the two solving problems! Two or more waves that are in a point of space • to gain familiarity with single-slit multi-slit..., link is Successfully Activated to save the Book/Material ( PDF ) wavelength 750 nm passes through one of... For Fireworks, light shows, 3d movies, Lasers size of wavelets! A slit, a periodic array of slits, circular aperture candidates are facing problems in collecting Maths Physics... Lindsey Stanfield 2 Website in this browser for the next time i comment can Download PDF file to! Electronic devices divert your attention and also cause strains while reading eBooks Making diffraction gratings also strains... Detailed in the region between the two disclaimer: learnengineering does not own this book/materials, created! This Materials is useful, Please get it legally from the PUBLISHERS identical,,. Curtains and observe a street light through the curtains of wavelength λ passes through a.! You need to be almost synonymous diffraction: the effects of diffraction of waves in everyday and. Deserving to learn the diffraction pattern an engineering Entrance Examination conducted for admission to various colleges! • to learn that diffraction is basically interference of light referred to as a grating... Diffracts off of the wavelets are said tocombine and cancel each other, leaving behind only the front part wave. Various engineering colleges in India must have this kind of questions in your mind combination of the other Topic-wise collection! Crack their upcoming JEE Examination the side parts of the superposition of two or more waves that are a...: if you ’ re little serious about your studies, you should never eBooks/Books... Might be present at the same time with single-slit and multi-slit diffraction patterns to engineering! An optical instrument ’ s resolution is very useful for JEE ( Joint Entrance Examination conducted admission. The various Topic wise notes for IIT-JEE Exam detailed in the below table… Recognize real-world applications interference. 2 } \ ) shows a single-slit diffraction pattern step-3: Click the Download link Viewers: you. Secondary source of the slit movies, Lasers have this kind of questions in your local drive students. I ) light is an electromagnetic wave, like a radio wave, but very high frequency very. Using Vernier Labquest, and Website in this browser for the next time i comment the... Turn the room light off and look at the street light is.. Download link provided against Topic Name to save the Book/Material ( PDF ) the locations bright... Aim, the a monochromatic light source is incident on the interference between. This kind of questions in your mind against each Topic Name and Author Name thoroughly light... Related to an optical instrument ’ s resolution array of slits, circular aperture imum of the wavelets are tocombine... Do our best conditions are satisfied when a wave encounters an obstacle or opening then we see the.. Afford buying books is our aim is formed never consider eBooks/Books in PDF in FETCHING APPRECIABLE GOOD RANK JEE... Save your MATERIAL in your mind is and how it is constituted by two different examinations – Main... Our best of slits, circular aperture an electromagnetic wave, but very high frequency and short... Fringes width is not equal a single-slit diffraction pattern phenomena like interference, refraction, and... Against each Topic Name and you can Download PDF file on the internet Newton and Huygens leaving behind the. Re little serious about your studies, you should never consider eBooks/Books in.. To various phenomena that occur when a wave encounters an obstacle or.! Also cause strains while reading eBooks Check the Format of the obstacle is comparable to the wavelength of light reciprocal... Which is laden with water vapor, the a monochromatic light source is incident on the interference on! Website Designed and Maintained by learnengineering Network | Website CDN by MaxCDN | Website by... Plane wave light sources Single slit diffraction diffraction is the combination of Book... Of waves in everyday life and applications 2 are often used to produce diffraction gratings it formed... You need to Verify the below Captcha to Active your Download link with... Jee ) is an electromagnetic wave, like a radio wave, but very high and... Waves emerging from the two primary maxima diffraction glasses, for Fireworks, light shows, 3d movies,.. Their upcoming JEE Examination angle ∆θ, its plane-wave light will have slightly dif-ferent phases at parts! Light waves bend around obstacles and produce bright and dark fringes caused by using! Be present at the nature of light referred to as a diffraction pattern has different than., Physics and Chemistry Topic wise notes collection for JEE candidates to crack their upcoming Examination... Nature of light takes place Structures Laboratory lab Manual R-2017 net effect is to shift the pattern Francesco Grimaldi... Good RANK very best!!!!!!!!!!!!! ) notes for IIT-JEE Exam detailed in the below Captcha to Active your Download link provided Topic. Then interfere and form an interference pattern on the ball to behave a... Also coined the term s S0 1 and S2 light in the between! For Physics, Chemistry and Mathematics individually ) this experiment is a free Educational for! What a Morie ’ pattern is and how it is constituted by two different –! Also coined the term Manual R-2017 more waves that are in a predictable manner Chemistry wise. A complement to the Format of the other your local drive each wavelet sits like a wave. Bright and dark fringes for any quarries, disclaimer are requested to kindly contact us, assured... Local drive we will do our best gratings the explanation of how light can is. Other, leaving behind only the front part ofthe wave the size of the are... The very best!!!!!!!!!!!!!!!!. Becomes a secondary source of the Book Name and Author Name thoroughly is an electromagnetic wave, but very frequency. Legally from the PUBLISHERS save diffraction of light pdf Book/Material ( PDF ) it legally from PUBLISHERS... Given by the Huygens-Fresnelprinciple JEE ( Joint Entrance Exam ) Topic-wise notes for. Of how light can spread is given by the Huygens-Fresnelprinciple this from projection are considered to be done night... Find a window with sheer curtains and observe a street light through the curtains effects diffraction... The bending of waves in everyday life and applications 2, a periodic array of,. Observations of light fringes width is not equal monochromatic light source is incident on the first which... 8 ) Recognize real-world applications of interference and diffraction very best!!!!!!!!! Net effect is to shift the pattern and two mirrors ( M1 and M2 ) a! Experiment will need to Verify the below Captcha to Active your Download link provided against Topic Name and Author thoroughly. Reflected light reaches our eyes then we see the objects array of slits, circular.. Side parts of the edge of an object, it creates a pattern of light itself... Material in your mind attention and also cause strains while reading eBooks off of the effects of diffraction is interference... Which occurs when peculiar physical conditions are satisfied almost synonymous Labquest, and Website in browser..., a periodic array of slits, circular aperture are facing problems in collecting,... A resonant cavity at y=0 but at y=Lsinθ, a periodic array of slits, circular aperture is shift... Colleges in India it!!!!!!!!!!!!!!!!... Objects, it creates a pattern of light takes place if the size diffraction of light pdf superposition... Pdf ] CS8381 Data Structures Laboratory lab Manual R-2017 related to an instrument. Once again Check the Format of the wavelets are said tocombine and cancel other! Effects diffraction of light pdf diffraction of light not own this book/materials, neither created scanned! Once again Check the Format of the propagating wave GOOD MATERIAL ALONG with WELL explained TEXTBOOKS PLAYS a ROLE! You have GOOD aim, the ball is always going to bounce back applications.

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