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What must a material be in order for light to travel through it?
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∙ 13y ago
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Wiki User
∙ 13y ago
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Can light be transferred across empty space?
Yes. Electromagnetic waves, like light, can travel through a vacuum, they need no medium in order to be transmitted. Unlike sound waves, which are compression waves what rely on matter in order to be transmitted.
Sounds need these in order to travel?
Sound waves need a medium in order to propogate. Light waves can travel without a medium. The speed of light is 3*108m/s.
What is the relationship between mechanical waves and vibrations?
A mechanical wave requires a material medium in order to travel, vibrations are able to move through the air unaided. While they have different traveling mechanisms, a vibration can be considered as a type of mechanical wave.
Does radiant energy need the presence of solid liquid or gas in order to travel?
No. If it did, it would be rather dark here. The light of the sun travels 93 million miles through a vacuum to get to earth.
What shape would an object be in order to travel faster through the air?
Cylindrical
Why don't we classify light waves as mechanical?
Because they don't need any material substance to travel through in order to get from place to place.
What types of materials can sound not travel through?
Spongy materials are the most difficult for sound to travel through. Vacuum is the best acoustic insulation but it doesn't really count for the purpose of this question, since it is not a material but a lack of material.
Due mechanical waves need a medium to travel through?
Yes, mechanical waves do need a medium in order to travel. Other waves, such as light, do not (thus they can travel through space).
Why can't you see through opaque material?
In order for a material to be transparent (see-through), the light energy that impacts the material must be transmitted through the material and "released" on the other side unchanged. In order for this to happen, the molecules of the material must vibrate at the frequency of the light energy in such a way that the energy is not changed into another form - ie. the energy is not absorbed and used to heat the material, nor is the energy reflected off the surface. Opaque materials' molecules keep the energy or reflect it back, but don't pass it through.
What does light need in order to travel?
It does not need a medium.
What does light not need in order to travel?
It does not need a medium.
Can light be transferred across empty space?
Yes. Electromagnetic waves, like light, can travel through a vacuum, they need no medium in order to be transmitted. Unlike sound waves, which are compression waves what rely on matter in order to be transmitted.
Sounds need these in order to travel?
Sound waves need a medium in order to propogate. Light waves can travel without a medium. The speed of light is 3*108m/s.
Medium for the wave?
The medium of any wave is the material that the wave energy travels through; in this case water.
Why can light travel through space but sound cannot?
sound is produced by vibration, i.e. when any thing start vibration then it produces sound. for example when a tunnig fork is hit on rubber pad its prongs starts vibration with difinit frequency ad hence produce sound. similarly when the strings of a gittar is dirturbed its starts vibration and hence produces sound. sound required a material medium for their journey, sound can not pass through vaccume because sound waves are mechanical waves.
In what order does an impulse travel through the structures of the neuron?
What_is_the_process_of_a_nervous_impulse_traveling_through_a_neuron
How do sound and light travel?
The travelling of light and sound are two contrasting things.The sound wave being a longitudinal mechanical wave requires a medium and makes use of the inertia and elasticity of the medium in order to progress.Whereas a light wave being an electromagnetic wave requires no medium to travel and propogates by means of changing electric and magnetic fields.
