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The dark surfaces heat up faster because dark surfaces attract sunlight faster than light surfaces.
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∙ 13y ago
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Why are rough surfaces good emitter of heat?
A rough surface has more surface area which allows more heat to be transferred.
What is the difference between a good radiator of heat and a good reflector of heat?
heat absober absorbs heat & refelector reflect it
How does dark colour absorb more heat than white?
White is a good reflector of heat therefore it will absorb less heat than a dark surface.
What type of surfaces are good radiators of heat?
Dull black surfaces they are also best at absorbing it as well. [Shiny and silvery or white surfaces are poor radiators and absorbers of heat. However they are very good in reflecting heat radiation.]
Is dull black surface is a good radiator of heat?
Yes, it is. As dull and black surfaces are the best emitters as well as the best absorbers of radiation. Hope my answer is good enough to be stand up your question needs.
Why are rough surfaces good emitter of heat?
A rough surface has more surface area which allows more heat to be transferred.
In general good absorbers of electromagnetic radiation are also good?
Yes, Good absorber of heat are good emitters of heat. And in both the way rate is same. This is Kirchoff's Law.
What is the difference between a good radiator of heat and a good reflector of heat?
heat absober absorbs heat & refelector reflect it
How does dark colour absorb more heat than white?
White is a good reflector of heat therefore it will absorb less heat than a dark surface.
What type of surfaces are good radiators of heat?
Dull black surfaces they are also best at absorbing it as well. [Shiny and silvery or white surfaces are poor radiators and absorbers of heat. However they are very good in reflecting heat radiation.]
Is dull black surface is a good radiator of heat?
Yes, it is. As dull and black surfaces are the best emitters as well as the best absorbers of radiation. Hope my answer is good enough to be stand up your question needs.
Is white surface good radiator of heat?
A white surface is a good radiator of heat.
How does the amount of heat energy reflected by a smooth dark-colored concrete surface compare with the amount of heat energy reflected by a smooth ligh-colored surface?
The dark coloured concrete surface absorbs more heat energy and therefore reflects less heat energy.
Do dark or light surfaces attarct and absorb heat easier?
A dark surface will absorb the heat from sunlight. While a white surface will reflect a lot of the sunlight and remain cooler.
Why does an electric toaster has a shiny surface between the heating elements and the outer case?
Because shiny surfaces are poor emitters of radiation and therefore, no heat will be lost to the surroundings, just reflected off the shiny surface back to the toast.
Why is it the darker the surface will have the higher temperature?
A dark surface will absorb the heat and reach a higher temperature. A light surface will reflect most of the heat and become cooler.
Why the top surface of the reflecting hood should be a lightly shiny surface rather than a dark Matt?
Dark, matt surfaces absorbs more heat. It should be a light, shiny surface as it doesn't absorb as much heat and not overheat it.
