Emission and Absorption Spectra
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- เผยแพร่เมื่อ 5 มี.ค. 2015
- 086 - Emission and Absorption Spectra
In this video Paul Andersen explains how the photons emitted from or absorbed by an atom or nuclei is directly related to electrons moving between energy level. Absorption and emission are a direct result of the conservation of energy. Scientists may use the emission spectra of material to determine the atoms or molecules contained within the material.
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All of the images are licensed under creative commons and public domain licensing:
English: Colorful Spectrum simulationEspañol: Espectro de Colores de La Luz visibleEsperanto: Koloroj Videblaj中文（简体）: 软件模拟的可见光谱。中文（繁體）: 軟件模擬的可見光譜。, August 27, 2008. Digitally created by Deborah S Krolls, December 13, 2004. commons.wikimedia.org/wiki/Fil....
“Gas-Filled Tube.” Wikipedia, the Free Encyclopedia, January 31, 2015. en.wikipedia.org/w/index.php?t....
Kuiper, Pieter. English: Fridge Letters in Natural Light, November 9, 2009. Own work. commons.wikimedia.org/wiki/Fil....
---. English: Plastic Fridge Letters (from Different Manufacturers) When a Fluorescent Lamp (Labino) Is Switched on, November 9, 2009. Own work. commons.wikimedia.org/wiki/Fil....
Kurzon. English: A Simple Illustration of Bohr’s Model of the Atom, with an Electron Making Quantum Leaps., April 14, 2014. Own work. commons.wikimedia.org/wiki/Fil....
This gentleman explained things under 6 mins which my teacher failed to explain in 2 lectures.
😂
I don't comment usually but I got to say this. You are way better than my useless lecturer and his lecture notes!
and hes fitter
I am ur professor using a fake account
Im ur school board. Now f*** off
la ilaha illallah muhammadur rasulullah
@@aryans2131 I am the education minister .. now screw off
Sitting here a little confused, while looking at positive comments isn't helping me out.
th-cam.com/video/apuWi_Fbtys/w-d-xo.html
I hope this helps, found it on another channel.
@@bassett6479 Ask questions.
Energy isn't created or destroyed so the light wave that bounces off and the waves that arte absorbed by atoms have to do something. That something is to add energy to the atom (absorbed, the colors you don't see) or take energy out (emissions or emitted, the color you see). If you know the energy level of an element, when you shine a laser through it, you will be able to tell what element it is based on the combined energy of the element atom and the laser light, since energy cannot be destroyed. That's how spectroscopy is done I think. I'm not a scientist but I'm pretty sure that's how it works
The first minute of the video is the key.
That was 2 years ago, so basically you time travelled😂 , it's 2021, I'm sure you understand now
This video is the most compact video out there, the 5 min lecture seems very easy but you need to watch it more than 10 times to understand it if you're a beginner. Teachers generally skip the introduction of prism , and shining light. Thank you for this amazing lecture ❤️
Wow, I don't think I can properly express how monumentally helpful that was to me. I don't learn very well from reading, I need visuals and clear language to understand things. Precisely what you provided. Thank you so much!
I just love it! You made me appreciate the spectrum even more. No physics teacher I know has been able to explain it so well. I really have some tears in my eyes.
Thanks
I'm Turkish and all the Turkish Chemistry/Physics YT channels either had no videos on this subject or had uncomfortably shitty ones(except for khanacademy-turkey maybe, but theirs was not as detailed as I wanted it to be). Glad I know a bit of English, I managed to understand your video, it helped me a lot. Thank you.
I was having problems with emission and absorption spectrum but your super simplified teaching cleared my doubt .....thanks a lot. ....!!!!
Sir, thank you for ALWAYS being there when i need you. like seriously, since i'm a freshman who needed some understanding about the lecture.. until now, a senior who is doing research for the final project. you were and are always there for me. clear and brief. you'll always be my youtube father :D
Hope your doing well out of highschool. I'm a freshman and I already completed my five hs credit classes last year and now im kinda taking a break but just I want to learn as much as I can and advance before I take more classes. I could be done for the year or take more so I don't have to much work next year. What do you think?
whose your daddy -- spank me harder
The usual concise, well explained clip. Terrific for NSW HSC Forensic Chemistry. Many thanks for posting!
Thank you so much. Your lessons are always so helpful.
Thank you again for another great video! My professor linked this a supplementary video, and I found it more clear than the written lesson. Thank's for the easy explanation :)
Beautiful job as usual, though on this particular crucially important learning milestone, it would be nice if you could "slow down", be more intricately descriptive, with slight pauses for (absorption) "pun intended". This is such an important step in understanding light, chemistry, physics, astronomy. It really needs to be driven home strongly. Thanks for trying to help us morons.
Thanks, Paul!! I have a test tomorrow and your videos always help clear things up
THIS IS SO GOOD. For the first time i really understood how different objects possess different colours. Also the simulation in the end was v helpful. Thanks! :)
thank you sm! it takes me about 2-3 repetitions with the video to ACTUALLY understand but that is part of the learning process!
Your diagrams really help with understanding :)
I absolutely love your videos they are so helpful. I am so thankful to you 😢 idk what I'd do without your videos
Your work has been saving me as I study for my final. Thank you so much !!
Man you actually explained this in a way i could understand i am so thankful to you
I got it! Thanks a lot!!! You made my evening much more “clear” in understanding this process.
Great explanations as always Mr Anderson!
Awesome thank you so much! Really well explained, easy to follow and understand
Great explanation, and the simulation was fun to watch. Didn't know there was software for that.
Do know what is that software name? Can you tell me plz?
@@josephjohnson576 omg thanks alot 💕💕
There’s software for everything
Sir , you made me fall in love with science. thankyou :)
Well....I gotta say......that was not only enjoyable, but also informative....thanks!
This video should be watched at 0.75 speed
Yep ;-;
haha... the same thing i did
Thanks bro
Thank you so much well explained and diagrams really helped me visualise what you were explaining.
Wow, you are great at explaining things, thanks for the video!
Very good explanation,. straightforward and clear. Thank you
I found that very helpful. Thank you Mr Anderson and team. :)
after watching this like 10 ten times, I finally understand (at least i think so) the spectrums helping me understand WTH they are talking about in redshift.
Very helpful thanks! [for your information this isn't sarcastic)
This is so well explained, especially the simulation
Oh this was so helpful to me! thank you!
And thanks for the subtitles, as it made it easy me to understand even though english isn't my native language.
Understanding in a short time is always better. Thank you :)
Great video, helped me finally understand this topic. The animation is very helpful. Thank you :)
Brilliant! The visuals make it so much easier.
Gr8. Simplified explanation. Very nice.
Very wonderfully put. Great video!
That's was sooooooooooo informative for a short period of time, thank you.
Thank you sir .This is a great education video. I really appreciate your hard works.
you are just simply great, just loved it. Thankyou so much
thanks for the taking to time to produce this video to help others, good work.....Thanks.
This is super helpful, i didn't quite understand this and I have a test in this coming up soon, but now I do understand it, thanks alot!
what do you mean, i understood nothing
Fantastically informative video!
Beautifully explained. Thanks!
Thank you sir, I've learned a lot from you!
great explanation, thanks prof
This was so helpful especially that simulation.
Thankyou so much
........
The best explanation of this topic.
Thank you so much that was absolutely great explained :D
I am 9 years late hesitated way too much watching this video, give this man an award what a legend
amazing! thank you so much for this video. It really helped me out
Omg i struggled to understand it for almost 2 years.. now i got it easily! thank you so much! :-)
thanks paul great video
you deserves appreciation!
This was absolutely amazing!!
my lecturer took 2 hours to explain the masterpiece he taught in t video ...Thank you sir
Very helpful and to the point. Other videos on this topic were too slow.
Wow, just wow! Thanks for your useful video
this is so helpful, i understand it completely now thank you ! :)
Woah
My school teacher couldn't explain. My tuition teacher couldn't explain. You're great 😍
This was very helpful!! thank you!!! :)
Great video! I have quibble with photon expression as particle since until detection the photon probability wave is essentially spherical from atom. A spherical bubble/ripple moving outwards and when you burst the bubble you get an electron of that energy worth of energy.
Brilliant explanation, thanks.
Awesome demonstration !!
This was greatest
I really like it
Hope I could LIKe it 1000 times
That was awesome! I've been thinking about that for a couple of weeks now. The animation really did the trick for me! Thansk
I read the topic in my book and didn't quite understand it. But this explanation is perfect, thank you!
Excellent explanation. Thanks.
This actually saved me from failing my final! thanks!
I really needed to watch this in simulator to understand.... Thanks ALOT👍👌
you are a great professor dude!! thanks!!
This is really cool and understandable, thank you
Your explanation is great thank you
So what your saying is....
Photons are intergalactic atomic cryptocurrency.
No need for unecessary words like "cryptocurrency". It is an atomic currency because it IS energy. :)
whut😭
cool, I see the light. Nice Simulator. never had this when I was younger.
thanks for great video, on the computer simulated experiment, when single electron was fired, sometimes give off purple and sometimes blue, is that mean each electron will have different energy state even they are from same source?
One of my favorite sir😍
I don't know from where you get those real time simulations....but they are really helpful and practical...when I get a bozeman science vid on something that's bugging me....I'm always sure about absolutely getting d concept perfect......thnx a tonne..!
OMG, thank you for explaining. I finally understand this
Great video, cheers!
this was very helpful man thank you
That was surely helpful 😊
it is very helpful for me. Thanks, sir.
Thanks you really made it simple it was good thanks once again
super helpful! it's amazing! thank you:)
You are a life saver, thank you so much
Awesome video, helped a lot!
Veryyy helpful thankss a lot lovee ur videos!
Thanks for the animation..it helps a lot
Thank you I actually have a final Exam on this tomorrow this was so help full
Thanks m8, was really confused by this before
thank you so much for this amazing video it was super helpful but I still have a question to ask . do absorbtion and emission happen right after each others to mantain the atom's energy . thank you already
I have learned more from u teacher!😍😍
nice I really enjoyed this video
Very helpful, thank you!
Hey, do you have the link for the animation? It really explained it well and I'm struggling to get this across to some of my students
Thank you! Your video was very helpful!
I understand that “heat energy” or “temperature” is average vibrational energy in the atoms. How do these electron jumps translate into the thing heating up? (Eg I get hot under the sun)