Glad we could be of service In atransverse wave(such as light), particles vibrateperpendicularto the direction of the wave. Examples of waves: (a) Light waves are produced as a result of vibrations of electrons in an atom. Thus, microwaves are used phenomenally in information transmission back and forth to the satellite. content based on Edexcel syllabus,however, appropriate for other boards too. A wave transfers energy from one place to another without transferring matter in the process. The Home of Revision For more awesome GCSE and A level resources, visit. REFRACTION IN A GLASS BLOCK When a ray of light goes from air to glass, it is refracted. The angle between the incident (original) wave and the normal (the perpendicular bisector to the barrier) will be equal to the angle between the reflected wave and the normal. Amplitude: We apologise for the inconvenience, but hope that the new images will provide you with an even better learning experience. When these echoes hit the transducer . For example, the boundary between fluid and soft tissue or tissue and bone. Support us. Revision for CAIE Physics IGCSE, including summary notes, exam questions by topic and videos for each module. Wave motion can be easily exemplified by vibrations in: In alongitudinal wave(such as sound), the particles vibrateparallelto the direction of the wave. They are used to capture the human skeleton defects. The size of the gap (compared to the wavelength) affects how much the waves spread out, When a wave goes past the edge of a barrier, the waves can curve around the edge. Gamma () Gamma waves have a very long wavelength. IGCSE AQA GCSE Physics Edexcel GCSE Physics OCR GCSE Gateway Science Physics OCR GCSE 21st Century Science Physics Doc Brown's school physics revision notes: GCSE physics, IGCSE physics, O level physics, ~US grades 8, 9 and 10 school science courses or equivalent for ~14 . It is why satellite dishes are composed of metal content as metal reflects the microwave radiation. Features of transverse waves Properties of waves: Wavelength: Difference between two consecutive wave crests / wave troughs/ in-phase particles. The speed of the wave changes, and that causes a change in direction of the wave. v = f wherein v denotes the speed, the rate at which the wave propagates through space; f denotes the frequency, the number of cycles per second; and denotes the wavelength, the length of one cycle. We can observe what happens when the water waves hit a barrier, Take note that the wave fronts are 90 to the direction of travel of the wave. Waves can be longitudinal, in the case of . When waves hit an object, such as a barrier, they can be reflected: When waves enter a different medium, their speed can change, The wavelength of the waves can increase or decrease, The waves will also start to turn slightly, Make sure that the angle of incidence is equal to the angle of reflection, Keep the wavelength of the waves the same, Diffraction, as shown above, only generally happens when the gap is smaller than the wavelength of the wave, As the gap gets bigger, the effect gradually gets less pronounced until, in the case that the gap is very much larger than the wavelength, the waves no longer spread out at all, Diffraction can also occur when waves pass an edge. sound waves. Properties of Waves. Answer Notes Marks 6 (ci) Diffraction; And one of The incoming wave spreads out at the gap; The energy carried by the wave spreads out ; allow: diffraction seen in (cii) recognisable spelling for 'diffraction' ignore: the wave gets bigger wave is bent (wavefront is) curved 2 CORE OBJECTIVES: Know that waves transfer energy without transferring matter. Words: 4,702; Pages: 27; Preview; . We use cookies to ensure that we give you the best experience on our website. All electromagnetic waves share the following properties: They are all transverse They can all travel through a vacuum They all travel at the same speed in a vacuum The 7 types of electromagnetic waves together form a continuous spectrum The Speed of Electromagnetic Waves EXTENDED The speed of electromagnetic waves in a vacuum is 3.0 108 m/s has a different density, which causes its speed to change, Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on WhatsApp (Opens in new window), Click to email a link to a friend (Opens in new window). v = f . Longitudinal wave are ones in which the displacement of the particle is parallel to the direction of wave motion. Course Hero uses AI to attempt to automatically extract content from documents to surface to you and others so you can study better, e.g., in search results, to enrich docs, and more. The edge of the unit cell is 408 pm. Age range: 14-16. As water waves pass through the gap, you can observe the spreading of the new wave fronts: The extent of diffraction is dependent on the size of the gap in comparison to the wavelength of the wave. Notes Sound wave characteristics The speed of sound varies from material to material. When silver crystallizes, it forms face-centered cubic cells. Answer/Explanation. We can observe what happens to water waves as it goes from deep to shallow: As you can see, the wavelength decreases and the direction shifts as the waves hit the shallower side. This preview shows page 1 - 4 out of 11 pages. Based on the way in which these waves travel . They are capable of travelling in a vacuum. Features of transverse waves 1. Any object on the surface of the water (e.g. . pptx, 53.84 MB. The frequency of a wave is the number of waves produced each second. Frequency: Number of wave cycles completed in one second. Motion of Waves 2. micro(waves)/ Infrared (IR) Radio waves have the highest frequency. (1) A amplitude B frequency C speed D wavelength (b) Sound waves travel as longitudinal waves. Properties of Waves. These include ampli. the displacement and propagation are in the same direction. (1) (ii) Describe how the vibrations of longitudinal waves and transverse . Katie has always been passionate about the sciences, and completed a degree in Astrophysics at Sheffield University. Our privacy policy Cookie policy, 1.1 Physical quantities and measurement techniques, Copyright 2020 Smart Exam Resources. Some important terms that you must be aware of are: Combining velocity, frequency and wavelength produces this wave equation:v = f[ v = velocity (m/s1), f = frequency (hz), = wavelength (m)]. micro(waves)/ Infrared (IR) Radio waves have the highest frequency. They will be replaced shortly. There are various ways that this can be done: The frequency of a wave can be found by counting the number of waves that pass a point every second; The wave speed could be calculated by timing how long it takes a wave to travel a fixed distance. All Rights Reserved, - Describe the features of a wave in terms of wavefront, wavelength, frequency, crest (peak), trough, amplitude and wave speed. It is directly related to the amount of energy carried by a wave. Wavefront: the peak of a transverse wave or the compression of a longitudinal wave Speed: how fast the wave travels measured in m/s Frequency: the number of waves passing any point per second measured in hertz (Hz), given by this formula: Frequency = 1 / period Wavelength: the distance between a point on one wave (e.g. For example, when a pebble is dropped into a pond, circular ripples move outward on the surface of the water. Wave is a disturbance in a medium that carries energy in them. Topic 4: Electricity and Magnetism. The longer the wavelength the greater the diffraction that occurs. Describe what is meant by wave motion as illustrated by vibrations in ropes and springs, and by experiments using water waves. IGCSE 0625: General Wave Properties 1. If you have any queries, complaints or suggestions, feel free to comment, or write to us at: water waves passing through a narrow gap. For propagation, waves use elastic deformation, a variation of pressure or temperature, etc to propagate in the medium. sound waves cause air particles to vibrate back and forth ripples cause water particles to vibrate up and down The direction of these oscillations is the difference between longitudinal or. A good, clearly labelled diagram can earn you full marks. It is denoted by the letter f and is measured in hertz (Hz). Aripple on a pondand awave on a stringare examples of this. She particularly loves creating fun and absorbing materials to help students achieve their exam potential. Know that for a transverse wave, the direction of vibration is at right angles to the direction of propagation and understand that electromagnetic radiation, water waves and seismic S-waves (secondary) can be modelled as transverse, Know that for a longitudinal wave, the direction of vibration is parallel to the direction of propagation and understand that sound waves and seismic P-waves (primary) can be modelled as longitudinal. The frequency of a wave is the number of waves produced each second. 10 8 GIVEN Sound waves are electromagnetic. b) Calculate the wavelength (in nm). Diffraction Diffraction is the process by which waves spread out as a result of passing through a narrow gap or across an edge of an object. Your email address will not be published. The following diagrams show the properties of waves: amplitude and wavelength. sound reflecting from a wall. A ripple tank has a vibrating bar which can generate waves of varying frequency in water. Find my revision workbooks here: https://www.freesciencelessons.co.uk/workbooksIn this video, we explore several key properties of waves. 3. In refraction phenomenon, when a wave travels form one medium to another medium then the speed and wavelength of the wave changes but the frequency remains the same. QUESTION BANK TOPIC WISE PAPER 2 & PAPER 4 Properties of Waves, Light & Sound QP 1 Properties of Waves, Light & Sound MS 1 Properties of Waves, Light & Sound QP 2 Properties of Waves, Light & Sound MS 2 Properties of Waves, Light & Sound QP 3 Properties of Waves, Light & Sound [] We adhere to the GDPR and EU laws and we will not share your personal information with or sell it to third-party marketers. Motion of Waves 1 An oscillating or vibrating motion in which a point or body moves back and forth along a line about a fixed central point produces waves. 0625-IGCSE PHYSICS-REVISION NOTES / Properties of waves-Light-Sound-Study-Notes Please login to view the content 3.1.-Revision-Notes-General-wave-properties.pdf Amplitude is the height of the wave, usually measured in metres. Good luck for your exams! B People further from the volcano heard the sound later than people nearer to the volcano. Sound travels fastest in solids because the molecules in a solid are very close together. General waves. Requires high voltage to produce X-Rays. The Electromagnetic Spectrum The Electromagnetic Spectrum - A range of transverse waves with many uses Light and Sound Reflection, Transmission and Absorption [FREE] - Bouncing waves Refraction - Waves that change direction when they meet a boundary Critical Angle and Refraction Equations - TIR and how to calculate the angles Refraction is the only wave effect in which the wavelength changes. We can demonstrate this by hanging an object on a stretched string and then sending a pulse down the string (by moving it up and down quickly like a wave). C The amplitude of the sound waves would have been smaller further from the volcano. Distinguish between transverse and longitudinal waves and give suitable examples. the trough) to the equivalent point on the next wave in meters e . Note that the frequency of the wave will remain constant. Transverse Waves Eg. Topic 5: Atomic Physics . ; The wavelength can either be observed by using a metre rule or could be calculated once the wave . 9.1_-_properties_of_waves__1p__-_edexcel_igcse_physics_ms.pdf - Save My Exams! Properties Of Waves Review Answers Properties Of Waves Review Answers creator by Suny f Robertson. (metres) 2. transverse and longitudinal waves. During our four-year journey with CIE, weve managed to grab several Cambridge Learner Awards, including one Top in World and five Top in Country (India) awards. IGCSE PHYSICS 2. Other waves are transverse. 1.1 Physical Quantities & Measurement Techniques, 1.2.5 Calculating Acceleration from Speed-Time Graphs, 2.2.3 Investigating Specific Heat Capacity, 2.3.7 Consequences of Thermal Energy Transfer, 4.2.4 Investigating Conductors & Insulators, 4.2.6 Electromotive Force & Potential Difference, 4.3 Electric Circuits & Electrical Safety, 4.3.1 Circuit Diagrams & Circuit Components, 4.3.3 EMF & Potential Difference in Circuits, 4.4.5 Investigating the Field Around a Wire, 4.4.6 Force on a Current-Carrying Conductor, All waves, whether transverse or longitudinal, can be. any of radio, micro(wave), infrared (IR), visible, ultraviolet (UV), X-ray or gamma Infra-red waves are the most harmful to people. linthasaleem7@gmail.com Amplitude - the distance from the equilibrium position to the maximum displacement Wavelength - the distance between a point on one wave and the same point on the next wave Frequency - the number of waves that pass a single point per second Thank you guys, One of the best website . If the atomic radius of Cr is 1.25 , what is the density of Cr metal in g/cm3? Free high-quality revision notes for CAIE IGCSE Physics 0625 Theory, covering all the modules and updated to the latest syllabus specifications. I really loved your site and this is definitely going to my bookmarks tab! For a longitudinal wave, the points along the wave vibrate in the same direction that the wave is moving in With a longitudinal wave, the vibrations are parallel to the direction of energy transfer Exam Tip If asked to describe the difference between transverse and longitudinal waves, sketch the above diagrams. They travel in a straight line and do not carry an electric charge with them. They pass through glass and plastics. where (t, x, y, z) and (t, x, y, z) are the coordinates of an event in two frames with the origins coinciding at t = t =0, where the primed frame is seen from the unprimed frame as moving with speed v along the x-axis, where c is the speed of light, and = is the Lorentz factor.When speed v is much smaller than c, the Lorentz factor is negligibly different from 1, but as v . parts of a wave. Edexcel Specification Section 3: Waves b) Properties of Waves understand the difference between longitudinal and transverse waves and describe . Properties of Microwaves Microwaves are reflected by metal surfaces. This leads to compressions (particles are closer together than normal) and rarefactions (particles are further apart than normal). Reflection When waves hit a plane surface, it willreflectoff it. CIE IGCSE Physics Revision. The speed of a wave (v) is its frequency (f) multiplied by its wavelength(). gamma Gamma waves are used for heating up food. Ans: A. 3.838709677419355 32 reviews. Course Hero is not sponsored or endorsed by any college or university. ( For FCC , edge = r 8 ), For the electronic transition from n = 2 to n = 4 in the hydrogen atom. It is denoted by the letter f and is measured in hertz (Hz). This Properties Of Waves Review Answers you can Download and Read Online with create account first Getting the books properties of waves review answers now is not type . (b) circle the mistake in this sentence the correct word(s) is They all travel at 3 10 2 m/s in a vacuum. It is symbolised by the Greek alphabet lambda, . The general types and properties of WAVES - an introduction including transverse waves, longitudinal waves and calculations. light, ultra-violet, gamma rays, radio. 3. IGCSE Physics Section 3 Properties of waves, General wave properties. The unit cell edge is 408.7 pm. A If such a loud sound were to be made today, an astronaut orbiting in space (a vacuum) at a height of 400 km could hear it. Wave motionis the transfer of energy from one point to another. This can be from one crest to the next crest or from one trough to the next trough. If you continue to use this site we will assume that you are happy with it. will be equal to the angle between the reflected wave and the normal. the displacement and propagation are at right angles. Properties of Waves Edexcel IGCSE Physics pages 91 to 98 Content applying to Triple Science only is shown in red type on the next slide and is indicated on subsequent slides by TRIPLE ONLY June 17th 2012. 4. 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