Why Do Hot Objects Glow? - Black Body Radiation
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- Опубликовано: 4 июл 2024
- All things with temperature emit some light. But some things with a lot of temperature emit visible light. So what causes this phenomenon known as black body radiation?
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@@FingerinUrDaughter but it's a good analogy
ive never had such a complex difficult thing to understand why it's happening explained to me so well.
Oh hey I see you around a lot. First comment this time.
I’ve never had such a complex difficult time trying to figure out what you’re saying
This sentence is a more complex difficult thing to understand than the video
Yes
What?
Kid: "Dad, why is the sky blue?"
Dad: "Quantum mechanics"
Rayleigh scattering of light 🤫
@@Adsman100 so why ISN'T the sky purple?
@@geordiejones5618 certain wavelengths are scattered more due to them being smaller, blue is the smallest so it gets scattered the most, meaning we see the sky as primarily blue.
@@stearnsy4005 but why
The sky isn't blue. The sky shows different colors (cyan, oranges, reds, whites, greys) because of how the transparent atmosphere interacts with the light shining about it.
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Opposite for me, I found a million more questions...
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Well, some professors do stimulate girls and give high grades, amirite?
Would have been cool to add the different kinds of radiation that occur from the different movements, with their spectrum. Vibrations generate infrared light, rotations generate microwaves and translational energy generates radiowaves, etc.
Its about the Energy that is released not what movement is happening Higher energy = shorter wavelength
@@zilit5434 IR spectroscopy is used to determine functional groups present because they excite rotational modes. They've even narrowed down specific vibrational modes of some functional groups to narrow wavelengths, meaning they can activate a specific type of vibration. Our microwaves activate rotational modes in water molecules. UV excites electrons enough to cause chemical reactions to take place. Translational energy generates radiowaves.
It takes more energy to excite an electron than it does to make a molecule vibrate. It takes more energy to vibrate a molecule than it does to rotate it. It takes more energy to rotate a mulecule than it does to translate it.
Photons are emitted by accerlating charges. Electron clouds are charged thus fluctuations in the cloud will generate photons. A vibration is higher energy than a rotation because a rotation can't whip the electron cloud around as much as a vibration can.
IR Spectroscopy - infared
UV-VIS Spectroscopy - uv
NMR Spectroscopy - radiowaves
Microwave Spectroscopy - microwaves
GCMS - Mass
If it's not about what movement is happening, then what is the cause for emissions of differing energies? What causes a low energy photon and what causes a higher energy photon?
@@MichelleHell wrong
@@Ghryst I love people who argue outside their area of expertise. If you weren't a troll you'd correct me.
@@MichelleHell forgive me I'm just trying to understand this better. Are you saying that certain EM waves cause kinetic changes, such as microwaves causing rotational changes in water molecules, or that certain kinetic changes create specific wavelengths of EM waves? Or both. And wouldn't higher energy EM waves cause a molecule to undergo that corresponding kinetic change as well as all the lower energy excitations as well?
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The best explanations of the laws of thermodynamics are in Genesis 1 and 2 :17.
Start getting real there's a generation that thinks the they're God like, the final generation will take the mark of the beast and be damned to Hell forever.
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I was gonna comment the same thing
But why?
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It is not "Bremßtrahlung" but "Bremsstrahlung" (two combined words: Brems-Strahlung)
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Great explanation of black body radiation. Thank you.
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@@pauld8747 well with regards to black body radiation, it’s pretty thorough of a video. I’m not claiming to know everything about the universe though…
Here for the grind brother