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Does light need a substance to travel through?
No. It is radiation, not vibration. As electromagnetic energy, it can travel through a vacuum, and only through transparent or translucent material.
What does radiation need to travel through?
Radiation can travel through a vacuum, air, and some materials, depending on the type of radiation. In general, radiation can penetrate solid materials to varying degrees based on factors such as the type of radiation, energy level, and the material's density and thickness.
Do radio waves need a medium to travel through?
No, radio waves do not need a medium to travel through. They are a type of electromagnetic wave that can travel through a vacuum, such as space. They can also travel through other mediums, such as air or water.
Why can radiation travel in a vacuum?
Radiation, such as electromagnetic waves, can travel through a vacuum because it does not require a medium to propagate. Unlike sound waves which need a medium like air to travel, electromagnetic radiation can move through empty space because it consists of changing electric and magnetic fields.
Do sound waves need a material to travel in?
sound wave need material becuse sound wave formed by compresion and rarefaction
Why can heat travel through space by radiation but not by conduction and convection?
For conduction and convection we need a material medium. But for radiation such a meaterial medium is not necessary. So in free space radiation can pass through easily.
Does light need a substance to travel through?
No. It is radiation, not vibration. As electromagnetic energy, it can travel through a vacuum, and only through transparent or translucent material.
What does radiation need to travel through?
Radiation can travel through a vacuum, air, and some materials, depending on the type of radiation. In general, radiation can penetrate solid materials to varying degrees based on factors such as the type of radiation, energy level, and the material's density and thickness.
Does sound need to travel through material?
Sound (and vibration) are a wave system of sequential compressions and rarefactions of a material. These waves are mechanical and do need a substance through which to travel. They cannot travel through a vacuum.
Do radio waves need a medium to travel through?
No, radio waves do not need a medium to travel through. They are a type of electromagnetic wave that can travel through a vacuum, such as space. They can also travel through other mediums, such as air or water.
Why can radiation travel in a vacuum?
Radiation, such as electromagnetic waves, can travel through a vacuum because it does not require a medium to propagate. Unlike sound waves which need a medium like air to travel, electromagnetic radiation can move through empty space because it consists of changing electric and magnetic fields.
Do sound waves need a material to travel in?
sound wave need material becuse sound wave formed by compresion and rarefaction
Does light travels through vacuum by radiation?
Yes, light can travel through a vacuum via electromagnetic radiation. In a vacuum, light does not need a medium to propagate because it consists of electromagnetic waves that can travel through empty space.
Can heat travel by convection through a vacuum?
No. Convection requires a carrier to convey the heat. Vacuum says there is nothing to do the conveying. Radiation does not need a convector, so heat can travel by radiation through a vacuum, like the radiation from the sun.
What materials can nuclear radiation travel through?
The heavier and denser the material the more radiation it absorbs. Alpha is stopped by thin sheets, in fact the skin stops it mostly so it does not penetrate the body. Beta and gamma are best stopped by lead or concrete. Neutrons are more penetrating, they need to be stopped by hydrogenous material. Concrete is effective but needs to be thick. Water itself is a good neutron shield, as are heavy plastics and waxes. So radiation can travel through light materials and gases (and a vacuum), with the proviso about neutrons as above.
Difference between radiation and convection?
Radiation is when heat is transferred from one thing to another via electromagnetic waves like infrared. It can travel through a vacuum. Convection is when a fluid is heated from the bottom and rises, leaving colder fluid behind to be heated etc creating currents. The thing you are trying to heat has to be in contact with the heat source- it doesn't work through a vacuum.
Does waves need a medium to travel through?
No. Electromagnetic waves travel through vacuum ( ie space where there is nothing)
