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A Level Physics - Wave Properties: Reflection, Refraction, Diffraction and Polarisation
 
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Both transverse and longitudinal waves share similar properties that you must be familiar with to understand further topics like lenses and interference, but only transverse waves can be polarised. The App running is called Ripple Free by Paul Falstad: http://www.falstad.com/apps/RippleTankFree/ Have a go with it to investigate these effects, and many others, yourself. If you would like to see more A Level Physics videos then please Subscribe to my channel to keep updated with new videos and to search the Playlists already created. You can also visit my site 'A Level Physics Online' to see how all the videos relate to your course and for even more resources at http://www.alevelphysicsonline.com/ Thanks for watching, Mr Matheson
PHYWE - Ripple Tank (Demonstration of Wave Mechanics)
 
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Product link: https://www.phywe.com/en/phywe-ripple-tank-with-led-light-source-complete.html With the PHYWE ripple tank all aspects of wave mechanics can be shown: Reflection Dispersion Refraction Interference Deflection Doppler Effect Benefits - Reflection-free basin on adjustable feet - Amplitude and frequency of the excitation dipper system can be varied - Almost soundless operation (less than 30 dB) - Stroboscope for synchronous and "slow-motion" projection of waves - Simultaneous LED display of: frequency, amplitude, phase shift and type of illumination - Control of all parameters with a, integrated touch keypad - Projection on transparent worktable for distortion-free image of the wave pattern - Green LED for brilliant pictures - Wave patterns can be projected on paper http://www.phywe.com http://www.phywe.de http://www.phywe.net
Physics Lab Demo 14: Ripple Tank
 
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A physics lab demo of the ripple tank.
Views: 169462 CarletonPhysics
[1.3] Refraction of sound waves
 
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SPM - Physics- Form 5 Chapter 1: Waves 1.3 Refraction of Waves
Views: 16909 SPM Malaysia IPTV
The Original Double Slit Experiment
 
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Light is so common that we rarely think about what it really is. But just over two hundred years ago, a groundbreaking experiment answered the question that had occupied physicists for centuries. Is light made up of waves or particles? The experiment was conducted by Thomas Young and is known as Young's Double Slit Experiment. This famous experiment is actually a simplification of a series of experiments on light conducted by Young. In a completely darkened room, Young allowed a thin beam of sunlight to pass through an aperture on his window and onto two narrow, closely spaced openings (the double slit). This sunlight then cast a shadow onto the wall behind the apparatus. Young found that the light diffracted as it passed through the slits, and then interfered with itself, created a series of light and dark spots. Since the sunlight consists of all colours of the rainbow, these colours were also visible in the projected spots. Young concluded that light consist of waves and not particles since only waves were known to diffract and interfere in exactly the manner that light did in his experiment. The way I have always seen this experiment performed is with a laser and a manufactured double slit but since the experiment was conducted in 1801 I have always thought that it should be possible to recreate the experiment using sunlight and household materials. That is basically what I did here. I will show the interference pattern I observed with my homemade double slit on 2Veritasium but I chose to use a manufactured double slit here to ensure that the pattern was impressive for observers at the beach. Special thanks to Henry, Brady, and Rupert for their cameos, Glen for filming and Josh for helping create the apparatus. Thanks also to the Royal Society for allowing us to view the original manuscript of Young's lecture and the University of Sydney for lending the double slits. Music by Kevin Mcleod (incompetech.com) Danse Macabre, Scissors
Views: 3380119 Veritasium
How to set-up and use a Ripple Tank
 
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How to set-up and use use a ripple tank, with a variety of different effects.
Views: 25374 CLEAPSS
Refraction Of Light
 
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Follow us at: https://twitter.com/TutorVista Check us out at http://www.tutorvista.com/content/science/science-ii/refraction-light/introduction.php Refraction of Light Refraction of light is the phenomenon of bending of a light wave when it enters into a medium from another where the speed of light is different. If the light wave passes from a medium where speed is fast to a medium where the speed is slow the light wave bends towards the normal between the two medium and vice-verse. The extent to which bending takes place when the light enters from one medium to another medium depends on the speed of light in two medium. This is also calculate in terms of refractive index for media and is described quantitatively by Snell's law Please like our facebook page http://www.facebook.com/tutorvista
Views: 351576 TutorVista
Wave Diffraction
 
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110 - Wave Diffraction In this video Paul Andersen explains how waves will diffract (or bend) around an obstacle or while traveling through and opening. Diffraction will be maximized when the size of the opening or obstacle matches the wavelength. Do you speak another language? Help me translate my videos: http://www.bozemanscience.com/translations/ Music Attribution Title: String Theory Artist: Herman Jolly http://sunsetvalley.bandcamp.com/track/string-theory All of the images are licensed under creative commons and public domain licensing: Alexander, ESO/M. English: Astronomers Do Not Always Swim at the Swimming Pool at the Paranal Observatory Residencia, but When They Do, They like to Show How Physical Principles Work. In This Picture the French ESO Astronomer Jean-Baptiste Le Bouquin Is Demonstrating How Waves — Not Light Waves, but Water Waves — Can Combine, or Interfere, to Create Larger Waves., January 27, 2014. http://www.eso.org/public/images/potw1404a/. http://commons.wikimedia.org/wiki/File:Swimming_Pool_Interferometry.jpg. Cryonic07. English: Illustration of a Simple Ripple Tank. See Also Image:Simple Ripple Tank Paddle.svg, August 30, 2007. self-made This vector image was created with Inkscape, and then manually edited. Partly based on en:Image:Ripple tank.png and en:Image:Ripple tank motor.png. http://commons.wikimedia.org/wiki/File:Simple_ripple_tank.svg. “Diffraction Grating.” Wikipedia, the Free Encyclopedia, April 10, 2015. http://en.wikipedia.org/w/index.php?title=Diffraction_grating&oldid=655807039. it.wikipedia, Original uploader was A3XX at. Italiano: Fotografo:, December 4, 2006. Transferred from it.wikipedia. http://commons.wikimedia.org/wiki/File:Single-slit-diffraction-ripple-tank.jpg. Pajs. Vlneni Pri Pruchodu Bodovou Sterbinou (k Demonstraci Difrakce), April 28, 2015. Own work. http://commons.wikimedia.org/wiki/File:Difrakce_sterbina_bodova.png. ———. Vlneni Pri Pruchodu Kolem Velke Prekazky (k Denonstraci Difrakce), April 28, 2015. Own work. http://commons.wikimedia.org/wiki/File:Difrakce_prekazka_velka.png. ———. Vlneni Pri Pruchodu Velkou Sterbinou (k Demonstraci Difrakce), April 28, 2015. Own work. http://commons.wikimedia.org/wiki/File:Difrakce_sterbina_velka.png. “Ripple Tank.” Wikipedia, the Free Encyclopedia, March 3, 2015. http://en.wikipedia.org/w/index.php?title=Ripple_tank&oldid=649682468. “Wave Interference.” PhET. Accessed April 16, 2015. https://phet.colorado.edu/en/simulation/wave-interference.
Views: 101831 Bozeman Science
Total Internal Reflection Demo: Optical Fibers
 
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This is a demonstration of total internal reflection in various types of optical fibers. This demonstration was created at Utah State University by Professor Boyd F. Edwards, assisted by James Coburn (demonstration specialist), David Evans (videography), and Rebecca Whitney (closed captions), with support from Jan Sojka, Physics Department Head, and Robert Wagner, Executive Vice Provost and Dean of Academic and Instructional Services.
Views: 92404 Physics Demos
Doppler Effect and Shock Waves
 
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In this video, a ripple tank is used to show a visual representation of the Doppler effect and shock waves. To see more information on this demo, and to see others like it, please visit us at http://demos.smu.ca
Views: 3411 SMUPhysics
Wave motion | Waves | Physics | FuseSchool
 
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All waves can transfer energy from one place to another without transferring any matter. This is done by a series of disturbances or vibrations that carry the energy. Just like the people in their seats, only moving up and down when it’s their turn. Waves can transfer energy through solids, liquids, gases and empty spaces – otherwise known as vacuums. There are two types of waves – which we will look at in more detail in another video, but the basic features are the same. The frequency of a wave is the number of complete waves passing a fixed point in a given amount of time. This time period is usually one second. Frequency is given the symbol f and is measured in units called Hertz. Hertz measure how many complete cycles per second; so how many people in our Mexican wave stand up every second. The frequency and period are often confused. The frequency refers to how often something happens, whereas the period refers to the time it takes to happen. The period of a wave is the time for one complete cycle. So the time taken for one person to stand up, wave and sit down. This would be measured in seconds. When something happens repeatedly we say that the event is periodic and refer to the time for the event to repeat itself. The period of the earth to orbit the sun is 365 days, the period of a day is 24 hours, the period of a typical class at school is 45 minutes. Now for the wavelength… the wavelength is the distance between a point on one wave and the same point on the next wave, for example two peaks or two troughs. Wavelength is given the symbol Lambda from the Greek letter, and is usually measured in metres. Wavelengths can vary hugely in size, x-rays are very short, visible light is here and FM radiowaves are much longer. So we’ve looked at the frequency, period and wavelength so far. Let’s finish with amplitude. As waves travel, they create disturbance. The amplitude of a wave is the distance from the maximum disturbance to its undisturbed position. Think of a very flat sea… and then an incoming wave. The amplitude is the height of the top of the wave from the flat sea. In another video we’ll be looking at the wave speed equation, and connecting wavelengths and frequencies: Wave Equation For now you just need to know what these 4 keys words mean. Frequency, period, wavelength, amplitude SUBSCRIBE to the FuseSchool YouTube channel for many more educational videos. Our teachers and animators come together to make fun & easy-to-understand videos in Chemistry, Biology, Physics, Maths & ICT. VISIT us at www.fuseschool.org, where all of our videos are carefully organised into topics and specific orders, and to see what else we have on offer. Comment, like and share with other learners. You can both ask and answer questions, and teachers will get back to you. These videos can be used in a flipped classroom model or as a revision aid. Find all of our Chemistry videos here: https://www.youtube.com/watch?v=cRnpKjHpFyg&list=PLW0gavSzhMlReKGMVfUt6YuNQsO0bqSMV Find all of our Biology videos here: https://www.youtube.com/watch?v=tjkHzEVcyrE&list=PLW0gavSzhMlQYSpKryVcEr3ERup5SxHl0 Find all of our Maths videos here: https://www.youtube.com/watch?v=hJq_cdz_L00&list=PLW0gavSzhMlTyWKCgW1616v3fIywogoZQ Twitter: https://twitter.com/fuseSchool Access a deeper Learning Experience in the FuseSchool platform and app: www.fuseschool.org Follow us: http://www.youtube.com/fuseschool Friend us: http://www.facebook.com/fuseschool This Open Educational Resource is free of charge, under a Creative Commons License: Attribution-NonCommercial CC BY-NC ( View License Deed: http://creativecommons.org/licenses/by-nc/4.0/ ). You are allowed to download the video for nonprofit, educational use. If you would like to modify the video, please contact us: [email protected]
Wave refraction at the beach
 
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Have you ever wondered why waves always seem to hit the shore at 90 degrees, no matter what the angle of the waves? Does this also hold true on a tiny sand bar?
Views: 894 Ben Ryder
Wave animation: simple surface changing to sea waves
 
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A smooth surface starting with two dimples is shown spreading into a surface similar to gentle sea waves (at about 1½ minutes). At 52 seconds some raindrops are added. The animation uses the 2D wave equation, showing that in time, with reflecting edges and a handful of added rain drops, a sea-like surface develops. A java app download is available and further info. at https://sites.google.com/site/logicedges/sea-html http://en.wikipedia.org/wiki/Wave_equation
Views: 844 logicedges
Interference of Waves | Superposition and Interference in light and water waves | Physics
 
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Interference of Waves | Interference and superposition explained in light and water waves with animation | Interference of waves in two dimensions | Physics The phenomena of the light which undergoes refraction and reflection by be explained by the 2 theories of light. They are corpuscular and wave theory of light. But some of the other phenomena such as interference and diffraction can only be explained by wave theory of light. We know that 2 or more wave, motions travel in space at the same time. Sometimes these 2 wave motions combine to and some physical effects take place. Inference is once such physical effect. When 2 or more waves cross each other in the same medium, they both interfere and accident takes. This accident is known as interference of waves. Interference is the combine effect of the disturbance caused by the each individual wave at the same place and at same time. This effect can be understood from the principle of superposition of waves. Principle Of superposition of waves: To understand this concept of the superposition, let's understand some of the examples. When we drop a pin in a tank, we see some circular waves. When other another pin is dropped, we see some more waves. These waves travel in the same tank and some or the other time these superimpose on each other. The resultant wave would have amplitude which is the sum of the displacement due to the individual waves. " The principle of superposition of waves states that when two or more waves travel through the same medium simultaneously, the resultant displacement at any point is the vector sum if the displacement due to the individual waves." In our case the pin is dropped in a ripple tank with 2 pins. If Y1 is the displacement caused at a point due to the first source and Y2 is the displace cause by the 2nd source, then the over displacement R at the point of interference would given by R=Y1+Y2 When both the sources have the same amplitude which then Y1,Y 2 would be equal to Y. When Y1 is due the crest or trough and Y2 is also due a crest or trough the resultant would be the maximum and when Y1 is due to a crest and Y2 is due to a trough or vice versa, the displacement would be minimum. When maximum displacement takes place it's called constructive superposition and when minimum displacement takes place it's called the destructive superposition. In constructive displacement, a maximum displacement curve is produced. Thus, when constructive displacement occurs then the phase difference between the waves would be ZERO or a multiple of 2π. When minimum displacement occurs, wave super impose destructively, the phase difference of the waves would be π or an odd integral multiple of the π. Interference of waves: When superposition of waves occurs, they could be constructive or destructive. This physical effort observed as a result of the superposition of waves is called interference. "The physical effect of the superposition of waves from the sources vibrating with the same frequency and amplitude is called the interference of waves. The physical effect is in the form of vibrations in the amplitude of resultant wave in a given potion of the medium" Interference is a special case of superposition of waves which originate from different sources but have the same amplitude, same frequency.
Views: 302187 Elearnin
Waves in Ripple Tank | Class 10 Physics | Science | Digital Teacher
 
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Learn about Waves in Ripple Tank from class 10 Science-Physics exclusively on Digital Teacher.
Views: 564 Digital Teacher
Apertures and Diffraction - Exploring Wave Motion (3/5)
 
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TELL US WHAT YOU THINK and help us improve our Free Educational Resources https://www.surveymonkey.co.uk/r/YT2017_descr For more like this subscribe to the Open University channel https://www.youtube.com/channel/UCXsH4hSV_kEdAOsupMMm4Qw Free learning from The Open University http://www.open.edu/openlearn/science-maths-technology/science/physics-and-astronomy --- Andrew Norton shows what happens when waves pass through apertures of different sizes. (Part 3 of 5) Playlist link - http://www.youtube.com/playlist?list=PLFE829A78F461BD20 Transcript link - http://media-podcast.open.ac.uk/feeds/fsc-exploring-wave-motion/transcript/fsc03.03.pdf --- For more information about apertures and diffraction visit http://www3.open.ac.uk/study/undergraduate/course/s104.htm
doppler ripple tank
 
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Demonstration of the Doppler effect with a school ripple tank
Views: 752 Andy Darvill
GCSE Physics Revision: Reflection of waves
 
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GCSE Physics Revision: Reflection of waves You can watch all my videos at www.freesciencelessons.co.uk In this video, we look at how waves are reflected. We find out what is meant by the reflected and incident rays and also the normal. We then look at how the angles of incidence and reflection are related.
Views: 52116 Freesciencelessons
Refraction - Science experiment
 
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http://www.fizik.si Refraction occurs when light waves travel from a medium with a given refractive index to a medium with another at an angle. At the boundary between the media, the wave's phase velocity is altered, usually causing a change in direction.
Core practical 2 Speed, frequency and wavelength of waves
 
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Edexcel GCSE physics core practical video 2/8
Free Online Interactive 2D/3D Ripples Simulator for Google Chrome
 
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Ripples is an online educational application to simulate waves propagation in an tank. You can learn and enjoy watching those effects that cause different scenes that can be made by drawing walls, or by modifying waves, adding emitters, or by changing they frequencies to see effects like Doppler, diffraction, refraction, interferences, and more. Direct link: http://muchos-juegos.appspot.com/ripples/ Chrome Web Strore Link (for install in Chrome): https://chrome.google.com/webstore/detail/gfnjgbmalioedafbpahlobnkgbjkllod
Views: 4342 cfains
Diffraction, Reflection, and Refraction of Light
 
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Explaining Diffraction, Reflection, and Refraction with examples. Science Project for Mrs. Beil.
Views: 4765 Calvin Owens
Laws of Reflection | #aumsum #kids #education #science #learn
 
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Our topic for today is Laws of Reflection. Consider this ray of light which strikes a mirror. This ray of light is called the incident ray. The point at which the incident ray strikes the mirror is called point of incidence. Draw a line perpendicular to the mirror through the point of incidence. This line is called Normal. The angle which the incident ray makes with the normal is called the angle of incidence. When this ray strikes the mirror, it will bounce off the mirror. This ray which bounces off is called the reflected ray. The angle which the reflected ray makes with the normal is called angle of reflection. Now, let us study the 2 laws of reflection. The angle of incidence is always equal to the angle of reflection. If the angle of incidence is 30 degrees, then the angle of reflection will also be 30 degrees. Remember that, these angles are always measured from the normal, not from the mirror. The incident ray, the normal at the point of incidence and the reflected ray, all lie in the same plane.
Views: 1094257 It's AumSum Time
Diffraction - Physics - Science - Get That C In your GCSE and IGCSE
 
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A secondary education revision video to help you pass your Science GCSE. Let Mr Thornton simplify how diffraction works - it's easy when you know how! No unnecessary information, just the stuff you need to know for GCSE Science revision, in a short, sweet video, to make sure you Get That C In your GCSE and IGCSE! Try the Snapquiz: http://www.snapquiz.co.uk Get the app at: https://play.google.com/store/apps/details?id=com.coraxlabs.snapquiz Download a revision guide for Kindle at http://www.amazon.co.uk/-/e/B01BBTP986 Check my tumblr at http://getthatsci.tumblr.com for cool science news, and my twitter at http://twitter.com/mrthorntonuk for regular updates. You can play with the ripple tank simulator yourself, here: http://www.falstad.com/ripple/ Please note that this video relates specifically to the AQA specification for exams from 2014, though the concepts covered are relevant to other exam board course specifications too. DISCLAIMER: These videos are a revision guide designed to help students understand the requirements of the GCSE Science course, specifically the course specification(s) mentioned above. Although I say I can "help" students achieve a C grade, this should in no way be interpreted as a binding promise that this will definitely be a student's final grade. I offer expert guidance to try to improve a student's chances, but as there are so many factors beyond my control, I am unable to make any guarantee about the content of any exams or controlled assessments beyond any restatements of the relevant section or sections of the course specification(s). In my experience, a student's final grade is mainly dependent upon the quantity and quality of preparation he or she puts in. All I can do is try to optimise this preparation. In short, no-one can guarantee a grade; I'm just here to help.
Views: 9900 Christopher Thornton
Introduction to waves | Mechanical waves and sound | Physics | Khan Academy
 
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Introduction to transverse and longitudinal waves. Created by Sal Khan. Watch the next lesson: https://www.khanacademy.org/science/physics/mechanical-waves-and-sound/mechanical-waves/v/amplitude-period-frequency-and-wavelength-of-periodic-waves?utm_source=YT&utm_medium=Desc&utm_campaign=physics Missed the previous lesson? https://www.khanacademy.org/science/physics/magnetic-forces-and-magnetic-fields/magnetic-flux-faradays-law/v/faradays-law-for-generating-electricity?utm_source=YT&utm_medium=Desc&utm_campaign=physics Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry. About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content. For free. For everyone. Forever. #YouCanLearnAnything Subscribe to Khan Academy’s Physics channel: https://www.youtube.com/channel/UC0oGarQW2lE5PxhGoQAKV7Q?sub_confirmation=1 Subscribe to Khan Academy: https://www.youtube.com/subscription_center?add_user=khanacademy
Views: 933422 Khan Academy
DIFFRACTION OF LIGHT WAVES AT A STRAIGHT EDGE
 
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Download SCIENCETUTS App to Access 120+ hours of Free content. For more information: http://www.7activestudio.com [email protected] http://www.7activemedical.com/ [email protected] http://www.sciencetuts.com/ Contact: +91- 9700061777, 040-64501777 / 65864777 7 Active Technology Solutions Pvt.Ltd. is an educational 3D digital content provider for K-12. We also customise the content as per your requirement for companies platform providers colleges etc . 7 Active driving force "The Joy of Happy Learning" -- is what makes difference from other digital content providers. We consider Student needs, Lecturer needs and College needs in designing the 3D & 2D Animated Video Lectures. We are carrying a huge 3D Digital Library ready to use. Diffraction refers to various phenomena which occur when a wave encounters an obstacle or a slit. It is defined as the bending of light around the corners of an obstacle or aperture into the region of geometrical shadow of the obstacle. In classical physics, the diffraction phenomenon is described as the interference of waves according to the Huygens–Fresnel principle. These characteristic behaviors are exhibited when a wave encounters an obstacle or a slit that is comparable in size to its wavelength. Similar effects occur when a light wave travels through a medium with a varying refractive index, or when a sound wave travels through a medium with varying acoustic impedance. Diffraction occurs with all waves, including sound waves, water waves, and electromagnetic waves such as visible light, X-rays and radio waves.
Views: 23709 7activestudio
Interferences
 
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my harmonium and a great interference graphic app (ripple tank)
Views: 109 Greg Spill
INTERFERENCE of Light - YOUNG'S DOUBLE SLIT Experiment | explained in HINDI
 
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In this Physics video lecture in Hindi for class 12 we explained interference of waves and Young's double slit experiment. Interference of light is a special phenomenon reflecting the wave nature of light. Due to interference of light two waves interfere with each other and where crest and crest or trough and trough meet amplitude of light becomes very large and we say, there happens constructive interference. Otherwise, when crest of a wave and trough of another one meet, they cancel the effect of each other and we say, there happens destructive interference. The double slit experiment is a famous experiment conducted by Thomas Young where he used one source of light passing through two different slits and produced image on a screen behind. A very interesting pattern was found on the screen. There were several bright and dark patches which are known as fringes. This happens due to the wave behaviour of light and a special behaviour of waves, i.e., interference. ★★★★★★★★★★★★★★★★ A special thanks to Derek Alexander Muller, creator of YouTube channel 'Veritasium'. The clip from his video 'The Original Double Slit Experiment' has been used for educational purpose. Link to Veritasium : https://www.youtube.com/user/1veritasium Link to the video "The Original Double Slit Experiment" by Veritasium : https://www.youtube.com/watch?v=Iuv6hY6zsd0 ★★★★★★★★★★★★★★★★ Click to visit the homepage of our channel : https://www.youtube.com/channel/UCG1-22fo1sIhXGuXYpTRqaA Arijit Daripa EduPoint, Dam Road, Chandil, Dist- Seraikela-Kharsawan, Jharkhand, India.
Views: 160139 EduPoint
Reflection of Light Wave | Waves
 
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This video is created by http://www.onlinetuition.com.my/ More videos and free notes are available at http://spmphysics.onlinetuition.com.my/
Views: 564 myhometuition
[1.3] Refraction of light waves
 
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SPM - Physics- Form 5 Chapter 1: Waves 1.3 Refraction of Waves
Views: 459 SPM Malaysia IPTV
DIFFRACTION OF LIGHT WAVES THROUGH AN APERTURE
 
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Download SCIENCETUTS App to Access 120+ hours of Free content. For more information: http://www.7activestudio.com [email protected] http://www.7activemedical.com/ [email protected] http://www.sciencetuts.com/ Contact: +91- 9700061777, 040-64501777 / 65864777 7 Active Technology Solutions Pvt.Ltd. is an educational 3D digital content provider for K-12. We also customise the content as per your requirement for companies platform providers colleges etc . 7 Active driving force "The Joy of Happy Learning" -- is what makes difference from other digital content providers. We consider Student needs, Lecturer needs and College needs in designing the 3D & 2D Animated Video Lectures. We are carrying a huge 3D Digital Library ready to use. Diffraction refers to various phenomena which occur when a wave encounters an obstacle or a slit. It is defined as the bending of light around the corners of an obstacle or aperture into the region of geometrical shadow of the obstacle. In classical physics, the diffraction phenomenon is described as the interference of waves according to the Huygens–Fresnel principle. These characteristic behaviors are exhibited when a wave encounters an obstacle or a slit that is comparable in size to its wavelength. Similar effects occur when a light wave travels through a medium with a varying refractive index, or when a sound wave travels through a medium with varying acoustic impedance. Diffraction occurs with all waves, including sound waves, water waves, and electromagnetic waves such as visible light, X-rays and radio waves.
Views: 51044 7activestudio
GCSE Physics Revision: Diffraction of waves
 
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GCSE Physics Revision: Diffraction of waves You can watch all my videos at www.freesciencelessons.co.uk In this video we look at how waves are diffracted when they pass through a gap. We look very closely at one very good example, which examiners like. This involves the diffraction of radio waves. It's not too tricky and it often comes up on exams.
Views: 41646 Freesciencelessons
[1.6] Analysing sound waves
 
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SPM - Physics- Form 5 Chapter 1: Waves 1.6 Sound Waves
Views: 489 SPM Malaysia IPTV
Diffraction  of Light
 
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What is Diffraction of Light Diffraction is the bending of light as it passes the edge of an object. An example of this property is the shadow. If observed carefully, the edges of shadows are not solid, but slightly fuzzy. So, what is going on? Diffraction can be easily explained with Huygens' Principle. Just as the front of a wave passes the edge of an object, the wavelets will cause the succeeding front to bend around the edge. For some time, it was believed that the bending of light was not due to light itself, but the edge of the object. Not until the British Physicist, Thomas Young, conducted the double slit experiment before light was accepted as a wave. In his experiment, he made two slits on a barrier and allowed monochromatic light (light of a single wavelength) to pass through. The result is a series of light and dark areas on the screen that could not be explained under the particle model of light. Under the wave model of light, these light and dark areas can be explained with constructive and destructive interference of waves. Checkout for more information: https://physics.tutorvista.com/light/diffraction.html Follow us at: https://twitter.com/TutorVista Please like our Facebook page http://www.facebook.com/tutorvista
Views: 364892 TutorVista
Refraction & TIR - GCSE Science Required Practical (Triple)
 
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Mr Rees shows you how to measure the angles of incidence and refraction to calculate refractive index, and how to find the critical angle for Total Internal Reflection.
Views: 645 Malmesbury Science
Free Online Interactive 2D & 3D Ripples Simulator for Google Chrome
 
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Ripples is an online educational application to simulate waves propagation in an tank. You can learn and enjoy watching those effects that cause different scenes that can be made by drawing walls, or by modifying waves, adding emitters, or by changing they frequencies to see effects like Doppler, diffraction, refraction, interferences, and more. Direct link: http://muchos-juegos.appspot.com/ripples/ Chrome Web Strore Link (for install in Chrome): https://chrome.google.com/webstore/detail/gfnjgbmalioedafbpahlobnkgbjkllod
Views: 44768 cfains
Applications of Reflection of Light Wave | Waves
 
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This video is created by http://www.onlinetuition.com.my/ More videos and free notes are available at http://spmphysics.onlinetuition.com.my/
Views: 823 myhometuition
Law of Reflection of Waves | Waves
 
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This video is created by http://www.onlinetuition.com.my/ More videos and free notes are available at http://spmphysics.onlinetuition.com.my/
Views: 878 myhometuition
GCSE Science Physics (9-1) Uses of EM waves
 
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You can easily find all the videos that you need on my website, along with other great revision resources. Check it out www.freesciencelessons.co.uk In this video, we look at the uses of the electromagnetic waves and the reasons why each wave is suited to its uses. Deliberate Thought by Kevin MacLeod is licensed under a Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/) Source: http://incompetech.com/music/royalty-free/?keywords=deliberate+thought Artist: http://incompetech.com/
Views: 43062 Freesciencelessons
Diffraction grating | Light waves | Physics | Khan Academy
 
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What happens when there's way more then two holes? Created by David SantoPietro. Watch the next lesson: https://www.khanacademy.org/science/physics/light-waves/interference-of-light-waves/v/single-slit-interference?utm_source=YT&utm_medium=Desc&utm_campaign=physics Missed the previous lesson? https://www.khanacademy.org/science/physics/light-waves/interference-of-light-waves/v/youngs-double-slit-problem-solving?utm_source=YT&utm_medium=Desc&utm_campaign=physics Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry. About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content. For free. For everyone. Forever. #YouCanLearnAnything Subscribe to Khan Academy’s Physics channel: https://www.youtube.com/channel/UC0oGarQW2lE5PxhGoQAKV7Q?sub_confirmation=1 Subscribe to Khan Academy: https://www.youtube.com/subscription_center?add_user=khanacademy
Views: 451308 khanacademymedicine
Interference of Sound Waves Lesson
 
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Copyright 2013
Views: 6840 mreofphysics
Interference 09 - Light can spread out - diffraction
 
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In this video I show you a wonderful property of waves called diffraction. This property is only for waves. We see what it is, and how Mr. Huygen explains it using his model. Follow me on https://www.facebook.com/FloatHeadPhysix
Views: 1027 FloatHeadPhysics
Wave Diffraction
 
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Wave Diffraction for OCR AS Physics - includes: wavefronts, diffraction diagrams,interference, superpostion, double slit experiment
Views: 39246 RGPhysics
Diffraction at a single slit
 
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For accessing 7Activestudio videos on mobile Download SCIENCETUTS App to Access 120+ hours of Free digital content. For more information: http://www.7activestudio.com [email protected] http://www.7activemedical.com/ [email protected] http://www.sciencetuts.com/ Contact: +91- 9700061777, 040-64501777 / 65864777 7 Active Technology Solutions Pvt.Ltd. is an educational 3D digital content provider for K-12. We also customise the content as per your requirement for companies platform providers colleges etc . 7 Active driving force "The Joy of Happy Learning" -- is what makes difference from other digital content providers. We consider Student needs, Lecturer needs and College needs in designing the 3D & 2D Animated Video Lectures. We are carrying a huge 3D Digital Library ready to use.
Views: 40685 7activestudio
waves ripples in a  pond
 
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-~-~~-~~~-~~-~- Best explanation on the internet, Please watch: "Ray diagrams Physics - Optical Instruments-Astronomical Telescope" https://www.youtube.com/watch?v=LzII1f3pp-8 -~-~~-~~~-~~-~-
Views: 176 Physics Models
[1.4] Diffraction of sound waves
 
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SPM - Physics- Form 5 Chapter 1: Waves 1.4 Diffraction of Waves
Views: 11414 SPM Malaysia IPTV
diffraction example
 
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Views: 135 Carly Loomis
Coastal Systems: Waves 3
 
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In the field with Simon Haslett, Professor of Physical Geography at the University of Wales and author of Coastal Systems (2016, University of Wales Press). Topics: shoaling, breaking, plunging breakers, surging breakers, spilling breakers, dissipative domain, reflective domain, wave orthogonals, wave convergence/divergence, deposition/erosion, headlands, cliffs, wave-cut (shore) platforms, refraction, diffraction, shadow zone, reflection, harbour wall design, edge waves, beach cusps. Location: Plage de Mezpeurleuch (Finistere, France). Latitude/longitude (for Google Earth): 48°0'9.40"N, 4°30'11.32"W. Further reading: S. K. Haslett (2016) Coastal Systems, 3rd Edition. University of Wales Press, Cardiff, 230pp. Available from : http://www.uwp.co.uk/editions/9781783169009/(see Sections 2.2 and 2.3). Camera operator: Dr David Simm (Bath Spa University).
Views: 10641 ProfSimonHaslett
Physics – अपवर्तन Part 5 – Total Internal Reflection of Light
 
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This Hindi video is on Refraction of light. It explains the phenomena knows as total reflection of light, concept of critical angle etc. This is mapped to Class X Physics Chapter Reflection and Refraction of Light About us: We are a social enterprise working on a mission to make school learning interesting, relevant and affordable to every child on this planet. You can watch our FREE online videos at http://www.bodhaguru.com/watch and download our practice application/games - just visit http://www.bodhaguru.com/play If you like our videos, subscribe to our channel http://www.youtube.com/user/BodhaGuruLearning. Feel free to connect with us at http://www.facebook.com/BodhaGuru OR http://twitter.com/Bodhaguru Have fun, while you learn. Thanks for watching -- Team BodhaGuru
Views: 906 Bodhaguru