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Answered 2009-11-24 17:55:56

An electromagnetic wave (this includes light) does not require a physical medium - it can travel through empty space.

An electromagnetic wave (this includes light) does not require a physical medium - it can travel through empty space.

An electromagnetic wave (this includes light) does not require a physical medium - it can travel through empty space.

An electromagnetic wave (this includes light) does not require a physical medium - it can travel through empty space.

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Answered 2009-11-24 17:55:56

An electromagnetic wave (this includes light) does not require a physical medium - it can travel through empty space.

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Medium is of two type One is material medium and other one is non-material Material medium are air medium, water medium etc Non-material medium is vacuum or free space If material medium is essential for the propagation of the wave then that wave is named as mechanical wave. Example: sound waves If such a material medium is not a must then the wave is said to be Electro magentic wave. Example: Light waves.


Electromagnetic waves do not require a medium to propagate. They can travel through empty space.


A mechanical wave is a wave that is not capable of transmitting its energy through a vacuum. Mechanical waves require a medium in order to transport their energy from one location to another. A sound wave is an example of a mechanical wave.



The options "medium" and "rope" are correct. "Medium" is the most general term for whatever carries a wave; a "rope" is one possible type of medium.


When a wave travels from one medium to another medium the wave changes speed, wavelength and direction. The change in direction is called refraction.


a free travelling wave the wave which transfers energy from one medium to other medium and it is called as disturbing wave


The bending of one wave as it passes from one medium to another is refraction.


When a wave passes from a less dense medium to a denser one, most of the wave energy is answer is reflected FALSE


There are two kinds of waves. First, there is a transverse wave. This type of wave causes the medium to move perpendicular to the direction of the wave. The amplitude is the height of the wave. The wavelength is the distance from one wave top, or crest, to the next.


It depends whether the new medium is "heavier" or "lighter" than the previous medium. If it is "heavier" then the wave slows down. If it is "lighter" the wave speeds up.


If you go to a website called hyperphysics , you can look up any topic in physics. If you go to waves, you will see that longitudinal waves move parallel to the medium. One way to determine if the wave is longitudinal or transverse is to think of transverse as crossing the wave. These waves are perpendicular to the motion of the medium.


It depends on the type of wave. If it is a transverse wave, then the medium moves in one direction while the wave moves in a perpendicular direction. Flicking a rope up and down causes a transverse wave. Eletromagnetic waves (e.g. light and radio) are transvere. If it is a longitudinal wave then the wave moves in the same direction as the medium. Pushing a slinky causes a longitudinal wave. Sound waves are also longitudinal.


Any mechanical one, such as sound, tsunami, earthquake, ocean, etc.


The speed of a wave changes as the wave passes from one medium to another.


Transverse waves are those where the movement is perpendicular to the direction of the wave and Longitudinal waves move parallel to the direction of travel.Longitudinal waves also known as compression waves require a medium through which to travel and can travel through solids, liquids and gasses (a sound wave is a type of longitudinal wave). Longitudinal waves look like this:| | | | | | | |A special type of transverse wave known as an electromagnetic wave can travel through a vacuum (they don't require a medium) and an example of this type of wave would be a radio wave or X-ray (or for that matter light). However transverse mechanical waves (such as the S-wave produced during an earthquake) are only able to travel through solids. This is the type of wave you see. Transverse waves look like this:\/\/\/\/\/\/\/\/\/\.A longitudinal wave travels by pressure gradients, and are usually omnidirectional. Once emitted they travel outward spherically. Longitudinal waves require a material to travel through. A stretched spring held at both ends, compressed from the center to either end, and released will demonstrate a longitudinal wave. Transverse waves are carried along perpendicular to line of travel. They are very linear and don't require a medium to travel through. A jump rope "whipped" from one held end to another demonstrates a transverse wave.


The speed of a mechanical wave depends on the mechanical properties of the medium. When the mechanical properties of the medium change, the speed of the mechanical wave changes as a result. The speed of an electromagnetic wave depends on the electrical properties of the medium. When the electrical properties of the medium change, the speed of the electromagnetic wave changes as a result.


A mechanical wave is one that travels through a medium. It requires the medium for propagation, as the mechanical energy is put into the medium, and the medium carries it. Sound is a form of mechanical energy. In contrast, light is a form of electromagnetic energy, and it can travel through a vacuum, unlike a mechanical wave.mechanical wave.



Refraction is the change in direction of a wave due to a change in its speed. This is most commonly seen when a wave passes from one medium to another. Refraction of light is the most commonly seen example, but any type of wave can refract when it interacts with a medium, for example when sound waves pass from one medium into another or when water waves move into water of a different depth.


Wave refraction to change in the wave speed or wavelength when a wave travels from one medium to another.


When a wave propagation takes place in a material medium no particle of the medium moves along with the wave. Only the partciles of the medium make vibrations or oscillations. These are of two type One if the particles vibrate simple harmonically in the direction of propagation then it is said to be LONGITUDINAL If the vibrations are perpendicular to the direction of porpagation then it will be said to be TRANSVERSE


Sound. It requires a medium for it to get anywhere. That is why in space *ominous voice* "no one can hear you scream!"


The velocity of the light wave differs in different media. This is the main cause for bending of light ray as it traversed from one medium to the other


A wave is adisturbance which travels through a medium and transfers energy from one point to another without causing any permanent displacement of the medium itself



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