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Q: How does the type of surface of an object affect the way it radiates and absorbs heat energy?
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If a solid object radiates more energy than it absorbs, its?

Cooling down and as such not in thermal equilibrium.


What is Best surface to minimize solar heat gain?

The answer lies in the Leslie Cube (look it up in an Internet search). Though the cube demonstrates which surface radiates heat better the principle is the same. A dark colour absorbs solar energy better than a light surface and a matt surface likewise absorbs solar energy better than a gloss surface. Think of it this way ... the amount of solar energy hitting two side by side surfaces is the same for each but the light glossy one will reflect more solar energy and therefore absorb less while the dark matt surface will reflect less solar energy and therefore absorb more. Hence solar heat collectors are black.


What happens to most of the energy when earth surface absorbs light?

Most of the light's energy gets converted into heat.


How do people recover solar energy?

solar energy comes from the sun and the sun radiates it when the sun radiates it it becomes to energy then that energy comes electricity


Why does a good absorber of radiant energy appear black?

In short, because they "don't reflect'." A matte surface isn't smooth; it has a surface that does not fully reflect light/radiation; the surface looks dull because there's little reflection. A smooth surface will reflect because it's smooth (glass-like) and will reflect or bounce light away from its surface. The surface looks shiny because of the reflection. The color of the surface matters because the darker the color, the more light/radiation is absorbed. Lighter colors reflect light; darker colors absorb light.

Related questions

Does Concrete absorbs visible light and re-radiates it as infrared energy?

Concrete absorbs visible light and re-radiates it as infrared energy


What absorbs and radiates energy with the least amount of temperature change?

Neutronium


When Earths surface is heated it radiates some of the energy back into the atmosphere as?

When Earths surface is heated it radiates some of the energy back into the atmosphere as "Infrared Radiation."


If a solid object radiates more energy than it absorbs, its?

Cooling down and as such not in thermal equilibrium.


Is it true when heated Earths surface radiates some of the energy back into the atmosphere as infrared radiation?

Yes, of course. Basically, all the energy (or almost all of it) that the Earth absorbs from the Sun must be radiated back into space at some moment.


What is a better absorber and radiator of heat energy soil or water?

Water absorbs and radiates heat better than soil does.


What absorbs energy that is radiation from earths surface?

the greenhouse effect!


Does the earth radiate energy?

It might be more correct to say that the earth re-radiates energy. Let's look at what's happening and break it down a bit.The sun supplies (radiates) energy, and the earth is in the path of some of it. The earth absorbs some of this energy, and it reflects some of it as well. This occurs on the sun-facing side. Of the energy that it absorbs, it will re-radiate some of that energy out into space when that side of the earth turns away from the sun to make it night.


The Earth's surface absorbs more radiant energy from the sun than the atmosphere?

yes the earths surface absorbs more radiant energy from the sun than the atmosphere GOOD LUCK :)


Why the temperature on earth does not keep on increasing when sun is a kind of energy and where does the energy go?

The earth re-radiates energy when it can. The earth absorbs solar energy, but constantly radiates heat back out into space. When the earth rotates, the "non-sun" side is facing the cold of open space, and the surface of the earth radiates a whole bunch of heat out into the darkness of space. That's why it usually gets cold at night - all that energy is leaving.


What absorbs most of the energy that is radiated from the earth surface?

Water vapor, carbon dioxide, methane, and other gases absorb most of the energy that is radiated from Earth's surface.


How does radiation affect the atmosphere?

The magnetic force absorbs energy.