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A perfect blackbody absorbs all radiation incident on it and
It emits electromagnetic radiation in the form of thermal radiation from its surface.
OR
A perfect blackbody is a perfect emitter and perfect absorber.
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∙ 13y ago
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What is the absorptive power of a perfect black body?
the absorptive power of a perfect black body is 1
Is there any perfect black body in the universe?
No. The black body is an "ideal thing" or a construct, and there isn't anything that "perfect" in nature.
Is there exists any perfect black bodies in the universe?
There are no perfect black bodies on the universe. But there are a lot of them which can be approximated (with good precision) by the black body description.
How does the color of something affect radiant energy?
The color will determine if it can reflect light energy being a perfect black body that does not reflect and a perfect white body
What is a perfectblack body?
If it is capable of emitting and absorbing radiations having wavelength right from 0 to infinite, then it is declared as perfect black body. Sun is a black body. Now it is in the emitting phase.
Why does some object appear black?
It's one of the colour. Black colour absorb all colour. A perfect black body radiates heat.
What surface emits heat radiation best?
A matt black surface is best. A theoretical perfect radiator is called a black body.
Why a hole in the wall of cavity radiator is called a black body?
Black is the color which absorbs or radiates all frequencies equally. The perfect black body is only a theoretical object; in the real world there is always some limit to the frequency range. However, a hole in a cavity radiator comes close to being a black body.
When was Perfect Pitch Black created?
Perfect Pitch Black was created in 2003-01.
If an object is black what does it absorb?
A black body absorbs most of the light that falls on it. A perfect black body will absorb all of the light but will radiate electromagnetic energy according to it's temperature according to plank's law. This is why we call a black hole a BLACK hole. It absorbs EVERYTHING which falls into it and not even light can escape.
Do Virgos have to have the perfect body?
No - I'm a Virgo with a body that's NEVER been perfect!
Does Miley Cyrus have the perfect body?
yes she does. From the top of her head to her big toe her whole body is perfect
