Sea waves move as vibrations up and down: the water rises and falls (without actually moving) as the wave energy moves forward. Are radio waves and microwaves able to go through a vacuum? 1 Why electromagnetic waves do not require a medium? Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. Electromagnetic waves are waves that can pass through the vacuum of outer space. Refraction of light is the most commonly observed phenomenon, but other waves such as sound waves and water waves also experience refraction. Why do electromagnetic waves not require a medium for travel quizlet? Because the speed of light is empirically constant, regardless of the movement of the source or detector or the direction in which it travels, we know that it does not need a medium to pass through. How Does Light Travel Through the Eye to the Brain? >. This means that electromagnetic waves can . This makes it possible to produce electromagnetic waves by circulating an alternating current in a wire, an antenna. Does pastor ayo oritsejiafor have biological children? You also have the option to opt-out of these cookies. Reply; Share Report Share. Electromagnetic waves are a type of transverse waves. light Electromagnetic radiation is energy transmitted by electromagnetic waves. No, the medium is not carried along by the wave. Analytical cookies are used to understand how visitors interact with the website. Where is this scripture located in the Kings James bible? RoverTip is a travel guide that covers places all over the world. Similarly, why do waves need a medium to travel? As it travels through space it behaves like a wave, and has an oscillating electric field component and an oscillating magnetic field. This means that electromagnetic waves can travel not only through air and solid materials, but also through the vacuum of space. The low-frequency microwaves extend from 1 GHz to 10 GHz and have wavelengths from 30 cm to 3 cm. But opting out of some of these cookies may affect your browsing experience. Light waves are substantially smaller than radio waves (in terms of their wavelength). How are electromagnetic waves able to travel through space? The elec-tric and magnetic fields in an electromagnetic wave oscillate along directions perpendicular to the propagation direction of the wave. Electromagnetic waves are made up of disturbances that can travel through space without the use of a medium. Nothing can travel faster than electromagnetic waves and they are the fastest information and energy carrying mechanism in the universe. Also, what type of waves can only travel through a medium? Electromagnetic waves have the ability to convey energy in a vacuum. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. The waves that are electromagnetic and can travel through a vacuum are any light waves, such as radio waves, microwaves, infrared radiation, visible. Electromagnetic waves do not require a medium such as air, so they can transfer energy through vacuum, or empty space. EM waves travel with a constant velocity of 3.00 x 108 ms-1 in vacuum. What can electromagnetic waves travel through mechanical waves cannot travel through? They differ in how the particles in the medium move when the wave energy passes through. wavelengths, we know that we can see through window glass or clear So no medium, as in a vacuum, means no waves from a medium, and therefore no sound. In which direction do electromagnetic waves travel? How do electromagnetic waves travel in space without a medium? Light contrasts with sound, which travels through air (or another material medium). Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. Mechanical waves require a medium to propagate. Mechanical waves move across a medium (such as air, water, glass, or rock). The energy of an electromagnetic wave is absorbed when it strikes the atoms of a substance. This is a frequency-dependent property, which explains why more energetic waves like X-rays, gamma rays, and ultraviolet rays penetrate denser materials than less energetic waves. Electromagnetic waves are waves that can carry energy across a vacuum without the need of a medium. Examples of such waves would be waves on a jump rope, a slinky, surface waves on water, and sound waves. How is energy transmitted through a medium? Solve any question of Electromagnetic Waves with:-. This means that electromagnetic waves can travel not only through air and solid materials, but also through the vacuum of space. We also use third-party cookies that help us analyze and understand how you use this website. Electromagnetic waves differ from mechanical waves in that they do not require a medium to propagate. The mechanism of energy transport through a medium involves the absorption and reemission of the wave energy by the atoms of the material. These changing fields form electromagnetic waves. The cookie is used to store the user consent for the cookies in the category "Analytics". EM-waves do not require a medium because they are NOT waves in the same sense as water waves or sound waves. When an electromagnetic wave impinges upon the atoms of a material, the energy of that wave is absorbed. Electromagnetic waves Which is the graphical representation of electromagnetic waves? Gamma rays have the highest energy and shortest wavelength. :PElectromagnetic waves do not require a medium, but mechanical waves do. What countries have only 2 syllable in their name? This cookie is set by GDPR Cookie Consent plugin. Many sources of electromagnetic radiation come from man-made technologies. Electromagnetic waves. A radio transmitter uses an antenna to send energy into space, while a receiver uses an antenna to receive energy from space. In physics, refraction is the redirection of a wave as it passes from one medium to another. Electromagnetic waves can travel through space, mechanical waves can not. However, you may visit "Cookie Settings" to provide a controlled consent. Because they do not need a medium, EM waves can pass through outer space, which is a near vacuum. Secondly, Do electromagnetic waves travel slower through a medium? Do electromagnetic waves lose energy? The definition of medium in physics is the nature of the surrounding medium, for example solid, liquid, gas, vacuum or a specific substance such as a solvent. Electromagnetic waves may flow via a medium or across space. Sound creates pressure variations (waves) in matter, such as air or water, or your eardrum. Electromagnetic waves (radio, light, microwaves etc.) Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. The speed of sound depends on the medium. who studied how electromagnetic waves are formed? . No any charge occur in the waves. An electromagnetic wave may pass through any medium, including air, solid matter, and vacuum. Because they do not need a medium, EM waves can pass through outer space, which is a near vacuum. The speed of electromagnetic waves in a medium is determined by . Answer: Electromagnetic waves ( e.g. Electromagnetic waves can travel through a vacuum because they do not require a medium to propagate. Where is this scripture located in the Kings James bible? That's why electromagnetic waves do not require any medium for propagation. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. While in solid mediums, it can travel as a longitudinal wave as well as a transverse wave.Moving forward, we will only . Electromagnetic waves can travel through any medium as they are In 1 second, an EM wave can travel a distance greater than 7 times the distance around Earth. To keep it simple there has to be energy that's all Reply; Share Report Share. Since electromagnetic radiation consists of no particles and only oscillating electric and magnetic fields, they do not need any medium to propagate. Electromagnetic radiation is energy transmitted by electromagnetic waves. They can . In contrast, and electromagnetic wave (like light) can travel in a vacuum; it needs no medium to support its propagation. What type of waves can only travel through a medium? It does not store any personal data. This vibration creates a wave that has both an electric component and a magnetic component. A volume of space consisting of subatomic particles, magnetic field or radiation should also be considered as a medium. 2. These vibrations do not need any particles present in the medium for their propagation. Electromagnetic radiation has properties of waves but also can be thought of as a stream of particles. EM waves are referred to as 'transverse' waves. 6 How are electromagnetic waves different from mechanical waves? It does not store any personal data. The mechanism of energy transport through a medium involves the absorption and reemission of the wave energy by the atoms of the material. mechanical waves need a medium to travel through, electromagnetic waves do not. An electromagnetic field is a result of changing electric and magnetic fields whose direction point 90 degrees to each other. light) do not require any medium. In the upper term we multiply by f (frequency) in the lower term we . A human does not produce magnetic fields, except at the microscopic scale, where those fields are the product of tiny electric currents. The Sound needs a material medium to propagate like a solid, liquid or gas to move because molecules of solid, liquid and gas carry sound waves from one point to another. Water waves shake energy on the surface of the sea, while sound waves project energy through the air body. The charged particle loses the energy of the electromagnetic radiation created as a result of this process. Mechanical waves, such as ripples in a pond, are examples of mechanical waves, but electromagnetic waves, such Light and radio transmissions, may travel through spaces vacuum. Sound can jump through a vacuum after all. Therein lies the whole problem in the definition of the middle/void. The material or empty space through which signals, waves or forces pass. Sound, which moves through the air, contrasts with light (or some other material medium). An electromagnetic wave requires no medium as electric fields and magnetic fields constantly generate each other as the wave propagates. Sound waves are compression waves. Mechanical waves are waves that require a medium. Electromagnetic waves differ from mechanical waves in that they do not require a medium to propagate. On the other hand, we can't However, you can "see" some of the results of this energy. When we talk, for example, the air layer around our lips stays close to the lip long after the sound wave reaches the receivers eardrum. Electromagnetic waves can travel through space, mechanical waves can not. Waves can transfer energy over distance without moving matter over the full distance. They can thus travel through a vacuum. Video Answer: Mayukh Banik. The velocity of an electromagnetic wave, on the other hand, is determined by the medium through which it travels. Answer: Electromagnetic waves ( e.g. Conversely, radio waves are electromagnetic waves, like visible light, infrared, ultraviolet, X-rays, and gamma rays. EM waves move in vacuum in the presence of electric and magnetic field vectors that vibrate perpendicular to each other and cause pertervation. All electromagnetic waves move at the speed of light, which is about 300 million meters per second (3.0 x 108 meters per second). Electromagnetic waves differ from mechanical waves in that they do not require a medium to propagate. You can only sense two parts of the EMS. The electromagnetic waves are not mechanical waves. 7 What causes mechanical waves to travel through matter? Once this initial energy is added, the wave travels through the medium until all of its energy is transferred. But opting out of some of these cookies may affect your browsing experience. why is it important to use gradient to find the mass of a coin. The idea that there had to be a medium for electromagnetic waves was the single most reactionary preconception that slowed down 19th century physics and many top people including Maxwell believed in this "luminiferous aether", too. The girl that showed her breast on Joe Dirt? But the medium of a mechanical wave can be any state of matter, even a solid. Electromagnetic radiation, is a form of energy emitted by moving charged particles. Light waves are electromagnetic waves as it can travel in vacuum too. This vibration creates a wave that has both an electric component and a magnetic component. The cookies is used to store the user consent for the cookies in the category "Necessary". How do electromagnetic waves travel through different mediums? HIPAA privacy rule applies to the following. The frequency of the waves thus created is equal to the frequency of the alternating current. Share with a friend. Electromagnetic waves are non-mechanical waves, so they don't require any medium to propagate The speed of any electromagnetic waves in free space is the speed of light c = 3*10 8 m/s. Radio waves were first predicted by the theory of electromagnetism proposed in 1867 by Scottish mathematical physicist James Clerk Maxwell. A changing magnetic field creates an electric field, and vice versa, according to Maxwells equations. Light waves, like all electromagnetic waves, travel without a medium, so they can travel through empty space. A sound wave is an example of a mechanical wave. The race is not given to the swift but to those that endure to the end. The matter traversed by a mechanical wave is called the medium (plural, media). The cookie is used to store the user consent for the cookies in the category "Performance". Yes, electromagnetic waves can travel through some mediums. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Was this answer helpful? This cookie is set by GDPR Cookie Consent plugin. they cannot travel through others. Therefore they can travel like any other particle The meaningless answer: We don't actually know that a vacuum is empty. _0)^(-1/2), which just happens to equal the speed of light. :PElectromagnetic waves do not require a medium, but mechanical waves do. Doctor Who a Brief History of Time Travel? 3 3 r a d / m. (iii) the wave amplitude is 1 0 V / m. (iv) the wave is propagating . By clicking Accept All, you consent to the use of ALL the cookies. In contrast, electromagnetic waves do not require any medium, but can still pass through one. We know that light doesnt need a medium to move because the speed of light is experimentally constant: independent of the motion of the source or detector or the direction in which it travels. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. Electromagnetic waves travel without the use of a medium, whereas mechanical waves require the use of one. His mathematical theory, now called Maxwell's equations, predicted that a coupled electric and magnetic field could travel through space as an "electromagnetic wave".Maxwell proposed that light consisted of electromagnetic waves of very short wavelength. This cookie is set by GDPR Cookie Consent plugin. The medium serves solely as a conduit for the waves energy transmission. Electromagnetic waves can travel with or without a medium. This cookie is set by GDPR Cookie Consent plugin. All photons travel at the same speed, at the speed of light, regardless of energy. This is perhaps due to the fact that electromagnetic waves do 25 Best Things to Do in Casablanca (Morocco), 15 Best Things to Do in East Hartford (CT). Yes, electromagnetic waves can travel through some mediums. Do mechanical waves need a way to travel? What happens when a solid as it turns into a liquid? This subleading order geometric optics expansion, in . In short, an electromagnetic wave is a transverse wave, with the electric and magnetic fields oscillating at right angles to each other. On the other side of the spectrum, we have ultraviolet radiation, which is emitted by black lights and fluorescent lamps. This cookie is set by GDPR Cookie Consent plugin. Waves travels perpendicular of each other or right angles of each other. What type of wave requires material support to move? Even at this speed, rays from the Sun take about 8 min- utes to reach Earth. Electromagnetic waves move through a medium at a slower rate. non- mechanical waves. frequency of the radiation. Thats why electromagnetic waves do not require any medium for propagation. What happens to the medium when a wave moves? Radio waves have the longest wavelength. Electromagnetic and mechanical waves are the two most common types of waves. These waves do not require a medium to travel. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Electromagnetic waves differ from mechanical waves in that they do not require a medium to propagate. Answer this doubt. Which property of an electromagnetic wave depends on the medium in which it is Travelling? Electromagnetic waves differ from mechanical waves in that they do not require a medium to propagate. travel and interact with electrical systems in a very different manner from magnetic fields. The water rises and falls, a movement known as disturbance. Do I Need to Notify My Bank When I Travel? how fast do electromagnetic waves travel? Induction. Read full answer here. Thin amounts of plastic wrap, waxed paper, cotton and rubber are not likely to interfere with radio waves. But In a vacuum, EM waves travel at a constant speed, and they travel very fastabout 300,000 kilometers (186,000 mi) per second. Heat waves, light waves, electromagnetic waves. This is because radio waves are electromagnetic rather than mechanical. Also, Why electromagnetic waves can travel in vacuum or empty space? They can also travel through vacuum. There are two ways to answer this question. These cookies will be stored in your browser only with your consent. As the name of the waves imply, these waves show electrical and magnetic properties. Mechanical waves are caused by a disturbance or vibration in matter, whether solid, gas, liquid, or plasma. empty space Electromagnetic waves, unlike mechanical waves, may pass across a vacuum, or empty space. The matter through which the wave travels is called the medium (plural, media). Ultrasound cannot penetrate solid surfaces (walls, floors, ceilings) or travel around corners. None of those present has the highest speed. The distance is determined by water attenuation, conductivity, permittivity, and the power level of the transmitted signal. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". c is the speed of light in a vacuum, 2.99792458 108 metres per second. Ultrasonic waves behave more like light than sound. Because radio waves are larger than the size of atoms in a wall, they can pass through, but light is a little wave that cannot. This means that electromagnetic waves can travel not only through air and solid materials, but also through the vacuum of space. . Their energy must be very Their frequency must be very low These waves can travel without a medium They only travel through a vacuum of space. Electromagnetic radiation The transfer of energy by electromagnetic waves is called. Electromagnetic waves may flow through both matter and a vacuum, or empty space. In theory a wave of any wavelength will travel for infinity. Electromagnetic waves do not need matter to travel through they can travel through empty space (a vacuum). They need a mode of transportation, such as water or air. One way is by using the speed of light in a vacuum and another way is by using the speed of sound in air. However, a radio wave does not, because it consist of two waves perpendicular to each other called a magnetic and electric field. Mechanical waves use a medium for their energy to travel. You also have the option to opt-out of these cookies. Can electromagnetic waves pass through walls? Electromagnetic waves can travel through a vacuum, which is why they are used to communicate between distant objects such as planets and stars. Mechanical waves are waves that convey energy via a material. Why are electromagnetic. Necessary cookies are absolutely essential for the website to function properly. The medium in the water wave pictured above is water, a liquid. The absorption and reemission of wave energy by the atoms of the medium is the process of energy transmission via a medium. Electromagnetic waves do not need a medium in order to propagate, which means they can travel through air, solid materials, and also through the vacuum of space. How can electromagnetic waves travel through a vacuum? These cookies ensure basic functionalities and security features of the website, anonymously. Indian Institute of Technology Kharagpur. Electromagnetic waves do not require support because they are NOT waves in the same sense as water waves or sound waves. Why can electromagnetic waves travel without a medium? Electromagnetic waves are waves that can pass through the vacuum of outer space. Which is an example of an electromagnetic wave? Light and radio waves are not mechanical but rather electromagnetic and do not need a medium. The can electromagnetic waves travel through a medium is a question that has been asked many times. Q: When a wave goes through the medium, how do the particles move? Electromagnetic waves can travel through a vacuum. The microwave region can be further divided into three sub-regions: the low-, medium- and high-frequency microwaves. Do electromagnetic waves lose energy? Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Sound waves travel as longitudinal waves in the 'air and liquid' mediums. An electromagnetic wave can travel through anything - be it air, a solid material or vacuum. At this speed they can go around the world 8 times in one second. Does the medium in which a wave travels move with the wave? Magnetism can also be static, as it is in a refrigerator magnet. How many babies did Elizabeth of York have? Also, how far do electromagnetic waves travel? This website uses cookies to improve your experience while you navigate through the website. Explanation: Primary waves can travel through all the three states; solid, liquid . Until recently we thought that since there is no air in space no sound could travel and this is still true but only up to a point. 4 m. (ii) the wave number k is 0. What is the strongest electromagnetic beam? These cookies ensure basic functionalities and security features of the website, anonymously. As a result, light travels fastest in empty space, and travels slowest in solids. Electromagnetic waves are nothing but electric and magnetic fields travelling through free space with the speed of light c. An accelerating charged particle is when the charged particle oscillates about an equilibrium position. But they cannot travel through others. The cookie is used to store the user consent for the cookies in the category "Other. mechanical waves need a medium to travel through, electromagnetic waves do not. This is because sound waves are created by vibrating particles that create pressure waves in the medium. Once your radio has received the signal, it may convert it to sound, which will easily pass through the air in your space suit. To convey their energy from one spot to another, mechanical waves need a medium. This comes through the maxwell equations that . These waves propagate when molecules in the medium collide with each other transmitting energy. Mechanical waves need a medium to carry their energy from one place to another. If the frequency of oscillation of the charged particle is f, then it produces an electromagnetic wave with frequency f. Explanation: The frequency, wavelength, and time period of a wave may all change depending on the source of the wave. True or False - An electromagnetic wave can only travel through a vacuum. Electromagnetic wavesdo not need a medium to travel; they may simply flow through vacuum, which is close to it. How do we get from the first formula to the second? long a wavelength of light is? How long does it take for an EM wave to travel? Instead of vibrating molecules, electromagnetic waves rely on the electric field to travel. in electron telescopes) go in between air molecules. Electromagnetic radiation does not need a medium. vacuum. This cookie is set by GDPR Cookie Consent plugin. People also ask, Which describes an electromagnetic wave traveling through vacuum? A medium may vary from a solid, a liquid, or a gas. see a light bulb through a sheet of steel or a brick wall. To travel from one location to another, sound and water waves need a physical medium. Electromagnetic waves, unlike mechanical waves, do not need a medium. These variations in electric and magnetic fields fields lead to the transfer of the energy which is carried by the EM wave. Light and other electromagnetic waves are transverse waves made up of mutually perpendicular fluctuating electric and magnetic fields. Mechanical waves, unlike electromagnetic waves, require the presence of a material medium in order to transport their energy from one location to another. Gamma rays have the highest frequency. Examples: Radio waves, visible light, x-rays, etc . When we consider optical These cookies will be stored in your browser only with your consent. Electromagnetic waves have crests and troughs similar to those of ocean waves. For example, music from your stereo can fill your entire house. Which characteristic of an electromagnetic wave is affected by the medium through which it travels? Do electromagnetic waves need a medium to travel through like mechanical waves do explain why or why not quizlet? All. Electromagnetic waves differ from mechanical waves in that they do not require a medium to propagate. Generally speaking, we say that light travels in waves and all electromagnetic radiation travels at the same speed, which is about 3.0*108 meters per second in a vacuum. Then come X-rays, ultraviolet light, visible light, infrared radiation and microwave radiation. Oscillating magnetic fields cause induction of oscillating electric fields. Electromagnetic waves travel efficiently in every medium including vacuum{no medium} Upvote | 1. Yes, depending on the electromagnetic waves penetrating strength. Water and sound waves are mechanical and require a medium in order to travel. This proved that radio waves were a form of light! Electromagnetic waves travel VERY FAST - around 300,000 kilometres per second (the speed of light). 3 How do electromagnetic waves travel through a medium? 2. The medium through which a wave passes does not move at the same rate as the wave. In theory, an EM wave can travel forever. Electromagnetic waves are produced whenever electrical charges are accelerated. Seismic sea waves have a period of about 20 minutes and speeds of 760 km/h (470 mph). What causes mechanical waves to travel through matter? In a vacuum, sound waves are unable to propagate. Transmitters and receivers are usually built to work within a certain frequency range. Electric fields and magnetic fields continually create each other when an electromagnetic wave propagates, hence there is no need for a medium. They were even building models of this contrived aether out of wheels and gears. These waves all travel at the speed of light (300,000,000 metres per second) in a vacuum. The cookie is used to store the user consent for the cookies in the category "Performance". In a vacuum, EM waves travel at a constant speed, and they travel very fastabout 300,000 kilometers (186,000 mi) per second. Stars and lightning are natural sources of radio waves, but these are also produced by the antenna of a radio transmitter. In a same type of medium the speed of waves is constant. The light that our eyes can see is actually part of the electromagnetic spectrum. How much a wave is refracted is determined by the change in wave speed . In a vacuum, all electromagnetic waves travel at 3 10 8 m s 1 - the fastest speed possible. The distance between crests is the wavelength. v =c/ The equation for the wavelength and frequency of an electromagnetic wave is _______. Electromagnetic waves move at the quickest speed in empty space and at the slowest speed through solids. These vibrations do not need any particles present in the medium for their propagation. There is no reduction to the amplitudes of the wave in the course of propagation through the lossless medium. How do electromagnetic waves travel through a medium? The reaction time of polarized material to incoming waves causes a slowing of phase velocity in material. frequency As the wavelength of an electromagnetic wave increases, its __________ decreases. Which medium do electromagnetic waves travel fastest through? Mechanical waves, on the other hand, need a medium to propagate (such as sound or water waves ). All electromagnetic waves are also known as transverse waves, in which particles do not move, but rather oscillate up and down on their individual equilibrium positions. Electromagnetic waves do not need a medium to travel; they may simply flow through vacuum, which is close to it. Electromagnetic waves work by the laws of reflection and refraction. Electromagnetic waves can travel through space, mechanical waves can not. Electromagnetic Waves - Do not require a physical medium through which to travel. bottom line is that the ability of electromagnetic radiation to Electromagnetic waves, on the other hand, do not require a medium for them to move. However, they are capable of showing interference or diffraction. For example, an ocean wave can travel several kilometers without the water itself moving several kilometres. Electromagnetic waves can travel through all mediums, but can also propagate through the absence of a medium (that is, in a vacuum). While the term "optics" usually refers to the study of light propagation in free space, "wave optics" is used when it is important to take into account the effects of the material the . Mechanical waves are waves that require a medium. Sound waves can travel through solids, liquids, or gases. Also, it is asked, How can electromagnetic waves travel without a medium? All electromagnetic waves travel through a vacuum at the same . The medium-frequency microwaves extend from 10 GHz to 100 GHz and have wavelengths from 3 cm to 0.3 cm. When an electromagnetic wave propagates through a lossless medium, the amplitude of its electric field or magnetic field remains constant throughout the propagation. Mechanical waves: This type of wave requires a medium (material) to move. This comes through the maxwell equations that a changing magnetic field produces an electric field and vice versa. By clicking Accept All, you consent to the use of ALL the cookies. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. Light wave can travel in vacuum also. An electromagnetic wave can travel through anything - be it air, a solid material or vacuum. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. Content is written by a group of freelance writers and travelers who write about what they know and what they find on the internet. A changing magnetic field will induce a changing electric field and vice-versathe two are linked. From the source of the disturbance, electromagnetic wavesradiate outward in all directions. There may be something there that we simply fail to detect Wavelengths of light are usually expressed in units of nanometers (nm). A mechanical wave is a wave that is not able to transmit its energy through a vacuum. 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