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Answered 2009-05-04 17:56:05

mechanical wave

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Medium for the wave?

"Medium" refers to anything the wave needs, in order to propagate (travel).


Does sound exist in space?

No. Sound needs a medium to propagate.


Does sound propagate through a vacuum?

No,as we know that sound needs a medium to travel and in vaccum there is no air so that sound cannot propagate in vaccum.


Why is sound not able to travel in a vacuum?

Sound being a longitudinal mechanical wave needs a medium to propagate. In a vacuum (like the outer space), there is no matter to act as the medium and thus sound waves can not propagate.


How does sound propagate?

sound needs a material medium to travel. Sound can travel by compression and rarefactions.attma


What is the medium propagation of earhquake waves?

The "medium" for a wave is whatever the wave goes through - or more precisely, whatever it needs, in order to propagate. In this case, the Earth.


Can you produce sound in vacuum?

No, you can not produce sound in a vacuum. Sound wave needs medium (for example air) to travel unlike electromagnetic wave which can travel through empty space.actually, sound wave does not propagate itself rather it needs a medium by which sound particle can transfer there energy from one place to other, so it seems like moving. for eg. when u throw a stone in water ,some ripples form in water they seems to moving but not. like this sound propagate. hence it requires medium


How sound is created and transmitted?

sound is created by the vibration of objects it needs a medium to propagate and transmit energy from one point to another


Do mechanical waves need a medium to transfer energy?

Yes. For example, sound needs media (air, water, etc.) to propagate.


Speed of sound in a vacuum?

The speed of sound in vacuum is zero. Sound needs a material medium in order topropagate. Since vacuum contains no material medium, sound does not propagate.Therefore, it never moves from the source of the sound, and theSpeed = (distance covered in any time interval) divided by (time to cover the distance)is zero.


Sound waves in air?

yes. Sound waves travel in air; that's how our voice travels. sound needs a medium to propagate..air is the medium through which sound waves travel..hence we can hear by the compressions and rarefactions produced.


What kind of wave does a microphone make?

A microphone does not generate waves but Rather generates a stream of electrons. Waves needs a medium to propagate like air & water. A broadcasting station does send waves as electrons signals but the medium is not physical


Is sound a gas?

Sound is a kind of energy. It is the vibrational energy being propagated in the form of longitudinal waves. So sound is not a gas but it needs a gas or other medium to propagate in.


Why sound waves needs a medium to propagate?

Because sound is produced by the vibration of particles. Generally, these particles are air molecules. Without air, there are no particles and hence no vibrations. Hence, sound will not be produced. Thus for sound to be propagated there must be a medium.


Life of sperm when it is not wet?

Sperm needs liquid medium to travel as in case of fertilization when its not wet its dead.


What does sound travel as in a medium?

It needs particles, so Air, Liquid or Solid to travel. so the medium is any particles, so if there is no particles, sound cannot travel.


Which types of mechanical waves needs a source of energy to produce it?

all wave are produced by a source but mechanical waves requires material medium to propagate it e.g is sound wave which is a mechanical wave needs material medium for it's propagation i.e material medium like air molecule,sound travels by vibration of air molecule that's why sound can't travel in a vacuum.....


What is the medium for sound waves?

Sound needs the medium to pass through like air water or other denser medium e.g solid, liquid, gas. Sound waves can't travel through vacuum.


What is the term for the substance that a wave can travel through?

For light waves the term is transparent, but there are probably other terms in the case of sound waves, water waves, seismic waves, etc.Another term used is the medium, but electromagnetic radiation is an exception as it needs to medium to propagate it.


What are the 2 differences between mechanical and electromagnetic waves?

Mechanical Waves- caused by vibration- needs medium (air) to propagate (move)Electromagnetic Waves- Caused my vibrating 'charged' particles- doesn't need meduim (air) to propagate (move)(basically in can still move in space )Hope that answers your question !


How do astronaut talk to one another on surface of moon and why?

Actually, lunar surface doesn't have atmosphere and as we know, sound needs medium to propagate. Due to lack of medium, sound can't propagate on lunar surface and therefore astronauts use special type of electrical devices on their helmets which transfer sound waves from their voices into radio waves and transmit it to other astronaut. The mechanism is similar to working of radio at our homes.


How do you propagate oak trees?

From acorns, unless it is a specific cultivar then it needs to be grafted.


What is the definition of mechanical wave?

Mechanical waves: they are waves that propagates by the vibration of particles of the medium(Solid,Liquid,Gas), so it needs medium to propagate.It may be transverse waves or longitudinal waves.


Why sound waves travels faster through a solid than gas?

its an easy question. you know sound needs material medium to propagate {or move} and the atoms in solids are bound more closely than air. and thus when sound travels its easy for its waves to propagate through solids as the atoms {material medium} are more close than in air and on the contrary the molecules {larger parts of atoms ,who serve as material medium } of air are losely bound and its a bit harder for the waves to travel from one point to another.


Why is it important that EM waves can travel without a medium?

Here is major reason that EM radiation needs to travel without medium: between the Earth and the Sun is considered a vacuum, therefore if EM radiation needed a medium to propagate then we would not receive the light from the sun, thereby ceasing alot of vital processes that occur on Earth as a result of interaction with light.


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