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What is a blackbody?
What is a blackbody?
A blackbody is a body that completely absorbs radiations of all wavelengths incident on it.
What are blackbody radiations?
What are blackbody radiations?
Blackbody radiations are radiations emitted by a blackbody when it is heated.
How can a cavity made out of a hollow container with a narrow opening and painted with lampblack approximate a blackbody?
How can a cavity made out of a hollow container with a narrow opening and painted with lampblack approximate a blackbody?
When any radiation falls on the hole of the cavity, it enters the cavity, gets reflected by the wall, and eventually gets absorbed, providing a close approximation to a perfectly blackbody.
What does the emitted radiation from a blackbody spectrum contain?
What does the emitted radiation from a blackbody spectrum contain?
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What does the intensity of emitted radiation, I(n), represent?
What does the intensity of emitted radiation, I(n), represent?
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