how do light and sound travel
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- Sound can only travel through a material. It will travel through air, through walls (and other solid objects), and through water and other liquids. On the other hand, a light wave is not made of vibrating particles. It is a wave of changing electric and magnetic fields which can exist in a vacuum.
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How light travels How light travels. Light travels as waves. These are transverse waves, like the ripples in a tank of water. The direction of vibration in the waves is at 90° to the direction that the light travels. Light travels in straight lines, so if you have to represent a ray of light in a drawing, always use a ruler. Unlike sound waves, light waves can travel through a vacuum (empty space).
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- No. Sound is a longitudinal wave consisting of mechanical vibrations travelling through matter (solid , liquid, gas, etc). An electromagnetic wave (light) is, classically, a t…ransversely oscillating electric and magnetic field and requires no medium in order to travel.
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What Travels Faster: Light or Sound? This means that temperature and barometric pressure change the speed at which sound travels. For example, sound moves much more slowly in cold air, because the gas molecules in the air move more slowly. Warming the air ensures that sound waves can move more quickly through it. Light has no such handicap and travels infinitely outward from its source at the same constant speed until it strikes a barrier.
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Sound Pulses Exceed Speed of Light The standard metric for the speed of light is that of light traveling in vacuum. This constant, known as c, is roughly 186,000 miles per second, or roughly one million times the speed of sound in air. According to Einstein's work, matter and signals cannot travel faster than c.
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- One light-year isequal to about 9,500,000,000,000 kilometers(9.5 × 10 12 km). Light travels very fast. So fast, in fact, that to usit appears to travel instantly from one place toanother. However, light does have a finite speed.Light travels at 299,792,458 meters (about186,282 miles) per second in a vacuum.Light isslower when passing through transparent mate-rials, such as air, water, or glass.ight travels very fast. So fast, in fact, that to usit appears to travel instantly from one place toanother. However, light does have a finite speed.Light travels at 299,792,458 meters (about186,282 miles) per second in a vacuum. Light isslower when passing through transparent mate-rials, such as air, water, or glass.
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Propagation of an Electromagnetic Wave Electromagnetic waves are waves which can travel through the vacuum of outer space. Mechanical waves, unlike electromagnetic waves, require the presence of a material medium in order to transport their energy from one location to another. Sound waves are examples of mechanical waves while light waves are examples of electromagnetic waves. Electromagnetic waves are created by the vibration of an electric charge. This vibration creates a wave which has both an electric and a magnetic component. An electromagnetic wave transports its energy through a vacuum at a speed of 3.00 x 108 m/s (a speed value commonly represented by the symbol c).
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LTE Network Infrastructure and Elements The HSS (Home Subscriber Server) is the concatenation of the HLR (Home Location Register) and the AuC (Authentication Center) – two functions being already present in pre-IMS 2G/GSM and 3G/UMTS networks.
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Why Does Light Travel Faster Than Sound? Light travels faster than sound because sound waves can only travel as waves of pressure in a medium, whereas electromagnetic waves, of which light is made, move on their own even through vacuum.
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What is a light-year? First, light is convenient. Throughout the universe, all light travels at exactly the same speed: about 670 million miles per hour. We don’t usually think about light traveling anywhere because when we flick on a light switch – there it is! We don’t have to wait for the room to light up.
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Why/how does light travel faster than sound? This is due to the fact light travels at 300,000,000m/s in all mediums(space,air water,etc), but sound travels at 340m/s in air but it's speed is different in others, for example it is actually quicker in water due to the particles being closer together.
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Sound and LightIntroduction Sound and light both travel as waves. The properties of these waves differ quite considerably. Sound waves travel a million  times slower than light waves. They have wavelengths between 1 centimetre and 10 metres, and will easily diffract round corners.  Light waves have much smaller wavelengths, and only diffract through very small holes. This difference is the reason why you  can often hear things that you cannot see.Well done! Try again! The properties of these waves differ quite considerably. Sound waves travel a million times slower than light waves. They have wavelengths between 1 centimetre and 10 metres, and will easily diffract round corners. Light waves have much smaller wavelengths, and only diffract through very small holes.
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Which travels faster - sound or light? Sound does not travel faster than light. The speed of light is 299,792,458 meters per second The speed of sound is 343.14 meters per second or, light travels at 186,000 mi … les per second sound at 751 MPH.
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Mimicry We know light can travel through a vacuum because sunlight has to race through the vacuum of space to reach us on Earth. Sound, however, cannot travel through a vacuum: it always has to have something to travel through (known as a medium), such as air, water, glass, or metal. The first person to discover that sound needs a medium was a brilliant English scientist known as Robert Boyle (1627–1691).
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How Does Sound Travel Through the Air? Just like light, sound travels in waves caused by air molecules that vibrate. If a drum is banged the air molecules around the drum vibrate, and these vibrations cause air molecules slightly further away to shake in turn. The process repeats until the vibrations lessen and the sounds begin to dissipate.
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Space Environment Is there sound in space? Sound travels in waves like light or heat does, but unlike them, sound travels by making molecules vibrate. So, in order for sound to travel, there has to be something with molecules for it to travel through. On Earth, sound travels to your ears by vibrating air molecules. In deep space, the large empty areas between stars and planets, there are no molecules to vibrate. There is no sound there.
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- No. Radio waves ARE light, and so they travel at the speed of light. Possible exception: The speed of light $c$ that is always talked about as the speed limit of the Universe is the speed of light in vacuum. Light travels slower in a medium, and how much slower can be dependent on the wavelength of the light. So, in the right medium, radio waves could travel faster than optical waves, but I wouldn't call this faster than light; that would be very misleading... share | cite | improve this answer.
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Physics for Kids The vibration will spread from molecule to molecule causing the sound to travel. Sound must travel through matter because it needs the vibration of molecules to propagate. Because outer space is a vacuum with no matter, it's very quiet. The matter that transports the sound is called the medium.
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Trump slaps tariffs on foreign solar panels and washing machines South Korea and Mexico are the biggest losers from the washing machine tariffs. Those countries export the bulk of washers to the United States. Much of the production in the two countries is under the umbrella of South Korean giants Samsung and LG. In a statement, Samsung said consumers will pay more for washing machines.
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THE LONGEST TEXT EVER (I think) The energy in a light beam travels in a straight line at a fixed speed so long as it is in vacuum (as in space). When traveling through most gases, such as those found in our air, light propagates in the same way as in a vacuum — in a straight line at the speed of light (about 186,000 miles per second).
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Sound Sound waves can travel through solids, liquids, and gases, but it cannot travel through a vacuum (a place with nothing in it). This is why astronauts can not talk to each other in space: they need a radio to hear each other.
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How light travels Light travels as waves. These are transverse waves, like the ripples in a tank of water. The direction of vibration in the waves is at 90° to the direction that the light travels. Light travels in straight lines, so if you have to represent a ray of light in a drawing, always use a ruler. Unlike sound waves, light waves can travel through a vacuum (empty space). They do not need a substance to travel through, but they can travel through transparent and translucent substances.
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General Astronomy/Principles of Light Transverse transverse waves: Waves in which the vibrations happen at right-angles to the direction of travel. Light travels as transverse waves. Longitudinal longitudinal waves: Waves in which the vibrations happen in the same direction as the direction of travel.Sound waves are longitudinal waves. Can they travel through a vacuum vacuum: A volume that contains no matter-space is almost a vacuum.ound travels as longitudinal waves and needs to travel through a solid, liquid or gas: it cannot travel through a vacuum. Light and sound can be reflected and refracted, just like water waves.
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- But whether in air or in water, sound moves much more slowly than light does. While light travels at 186,000 miles per second, sound only goes 0.2 miles per second (343 meters per second, or about 770 miles per hour). A fast airplane can go faster than the speed of sound.
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- Space is a very quiet place. But sound doesn't have to move through air-it can just as easily move through water, or through metal wires. In fact, sound moves faster through water than it does through air. But whether in air or in water, sound moves much more slowly than light does.
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Why won't sound travel in a vacuum? Because sound, unlike light, needs a medium, usually air. In a vacuum, there is no air. Sounds cannot trasvel in a vacuum because they have no medium in which they can travel through. Sound travel through matter, trough the interaction of the electrical force between particles.
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- But unlike sound waves or water waves, it does not need any matter or material to carry its energy along. This means that light can travel through a vacuum—a completely airless space. (Sound, on the other hand, must travel through a solid, a liquid, or a gas.) Nothing travels faster than light energy.