Can a plasma give off black body emission? - Physics Forums
2014年8月14日 · Black body emission is the electromagnetic radiation emitted by an object with a temperature above absolute zero. It is characterized by a continuous spectrum and the …
Black Body / Emission difference - Physics Forums
2007年7月21日 · Good question. The answer is that black body radiation comes from a completely different mechanism than the one that produces emission spectra. Black body …
Why is Black body radiation continuous? - Physics Forums
2015年10月5日 · Why the black body radiation curve (unlike the quantized emission seen from atomic spectra), is continuous over all frequencies. I am wondering what exactly gives rise to a …
Relation between blackbody radiation and spontaneous emission
2021年3月22日 · Black-body radiation is an em. (quantum) field in thermal equilibrium and as such its phase-space distribution function results from "detailed balance", i.e., it's the state, …
Why does the Sun behave like a black body? - Physics Forums
2015年3月24日 · An interesting aspect of black body radiation (mentioned in passing in the wiki link above) is that it was explained by Planck as being the result of light being emitted in …
Gray body vs Black body, a few questions - Physics Forums
2011年10月6日 · For every body its emission and absorption coefficient must be equal - otherwise 3rd law of thermodynamics would be violated. Ideal black body is such, that absorbs all (its …
Assumptions for blackbody spectra vs. emission spectra vs.
2021年9月1日 · A deep body of water looks dark blue, because water also absorbs blue light, although less than red light. A deep body of water does not look black because water also …
How Do Absorption/Emission Lines Relate to Black Body Radiation?
2011年1月6日 · Thermal radiation (black body radiation) does not depend on any material- it is the spectrum of a radiation field at thermal equilibrium (with some temperature). …
Black body re-emission of incident radiation - Physics Forums
2015年4月30日 · Black body re-emission is a crucial concept in thermodynamics because it helps to explain how energy is transferred and transformed between objects. It also plays a key role …
How do I find the work function of a metal using black body …
2006年12月30日 · Homework Statement 1)The peak emission from a black body at a certain temperature occurs at a wavelength of 9000 Angstrom. On increasing its temperature the total …