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How is heat transfered by radiation different from conduction and convection?
Radiation does not need any material medium to transfer energy where as the other two conduction and convection need a material medium to perform.
Which heat transfer doesnt need a medium to move through?
Convection.
What does conduction and convection have in common?
They both need a medium (material) to transfer heat.
Does convection require medium?
yes
In which form of heat transfer is a medium not required?
Heat transfer by means of radiation doesn't heat the medium. In fact, radiation doesn't even require a medium in order to work. Strictly speaking, convection doesn't heat the medium either. Convection transfers heat by moving the medium around. Of course, heat also spreads throughout the medium by conduction while the convection is going on.
How is heat transfered by radiation different from conduction and convection?
Radiation does not need any material medium to transfer energy where as the other two conduction and convection need a material medium to perform.
Why can't the suns heat reach us by conduction or convection?
because there is no medium, conduction and convection need medium to spread through, they cannot spread through vacuum.
Which heat transfer doesnt need a medium to move through?
Convection.
What does conduction and convection have in common?
They both need a medium (material) to transfer heat.
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.
Which method of heat transfer use a medium?
Both conduction and convection require an intervening medium, but convection requires the medium to be able to move.
Does convection require medium?
yes
What do conduction and convection do that radiation does notwhat does radiation use instead?
Conduction and convection badly needs material medium but radiation does not need a material medium as an essential one. It could traverse even in free space in the form of electromagnetic waves
How can heat move without having matter to move it?
By radiation. Only conduction and convection need a medium in which to move
What makes convection and conduction possible?
Lack of a flow medium will inhibit conduction and convection.
In which form of heat transfer is a medium not required?
Heat transfer by means of radiation doesn't heat the medium. In fact, radiation doesn't even require a medium in order to work. Strictly speaking, convection doesn't heat the medium either. Convection transfers heat by moving the medium around. Of course, heat also spreads throughout the medium by conduction while the convection is going on.
What is what is convection?
In this process, heat is transferred by the bodily movement of particles of the medium due to difference in densities of different parts of the medium. convection process is also slow.
