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- เผยแพร่เมื่อ 28 ก.ย. 2024
- Emission & Absorption are the terms of the chapter "Structure of Atom", in which we learn about Absorbing and Emission Mechanism in the interaction of light with matter.
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Light, in its mesmerizing journey through the universe, interacts with matter in a captivating way. This interaction unveils hidden truths about the composition of stars, the workings of neon signs, and even the fundamental structure of atoms. Two key concepts lie at the heart of this dance between light and matter: emission spectra and absorption spectra, which is also called emission spectrum & absorption spectrum. Understanding these phenomena equips us with powerful tools for analyzing our surroundings.
An emission spectrum is a unique fingerprint of an element or molecule. It arises when an atom is energized, often through heat or electricity. This energy boosts electrons to higher energy levels within the atom. However, these excited states are unstable, and the electrons quickly jump back down to lower energy levels. As they do, they release energy in the form of light, with specific wavelengths characteristic of the element's electronic structure. The emission spectrum appears as a series of bright lines at these particular wavelengths, like colorful bars on a graph.
Conversely, an absorption spectrum reveals the story from the perspective of light. When white light, a combination of all visible wavelengths, passes through a gas or a cool liquid, some wavelengths are absorbed by the atoms or molecules present. This absorption corresponds to the energy required to excite the electrons in those specific elements. The resulting spectrum shows a continuous range of light with dark gaps at the wavelengths that were absorbed. These dark gaps act as a mirror image of the emission lines, revealing the elements that are present in the material.
#atomicspectrum #structureofatom #class11th
ALL PARTS OF THIS CHAPTER:
Part 1 (Subatomic Particles)
• Subatomic Particles | ...
Part 2 (Discovery of Electrons)
• Discovery of Electron ...
Part 3 (Charge to mass Ratio of Electron)
• Charge to Mass Ratio o...
Part 4 (Discovery of Neutrons)
• Discovery of Neutrons ...
Part 5 (Discovery of Protons)
• Discovery of Protons |...
Part 6 (Thomson Model of Atom)
• Thomson Model of Atom ...
Part 7 (Rutherford's Model of Atom)
• Rutherford Model of At...
Part 8 (Rutherford's Model Pos. & Lim.)
• Rutherford Model of At...
Part 9 (Atomic Number & Mass Number)
• Atomic Number & Mass N...
Part 10 (Isobars & Isotopes)
• Isobars & Isotopes | S...
Part 11 (Developments Leading to Bohr Model Atom)
• Developments leading t...
Part 12 (Wave Nature of Electromagnetic Radiation)
• Wave Nature of Electro...
Part 13 (Planck's Quantum Theory)
• Particle Nature of E.M...
Part 14 (Photoelectric Effect Part-1)
• Photoelectric Effect |...
Part 15 (Photoelectric Effect Part-2)
• Photoelectric Effect |...
Part 16 (Dual Behaviour of E.M. Radiation)
• Dual Behaviour of Elec...
Part 17 (Atomic Spectrum)
• Atomic Spectrum | Stru...
Part 18 (Emission & Absorption Spectrum)
• Emission & Absorption ...
Part 19 (Line Spectrum of Hydrogen Atom)
• Line Spectrum of Hydro...
Part 20 (Bohr's Model of Hydrogen Atom)
• Bohr's Model of Hydrog...
So, see you in the next video !
Kya nhi samajh aaya btao ! 🗿
Sir sb kuch samaj aa gya ❤
U are. Great sir ❤❤❤
oya Hoya sir phela Da like krta duja da comment ignore krta
🗿nhi smjha
♂️
Ayaa hai thank you❤❤
Bahut bahut jyada accha padate ho sir dil jit liya aapne
Masha Allah best Mai Nai itna acha lecture you tube per kabhi nahi dekha tha❤❤
Sir pls keep uploading I have to complete this chapter tomorrow
App kha se ho
Great video. Your explaining style is very simple and amazing
Broo atoms and molecules move ni krte electrons move krte h from higher energy state to lower energy state in emission spectrum
Yeah, exactly. When electrons in the atom move from lower to high energy state then the Atom is considered as "Excited".
But the funny thing is nobody has noticed this mistake 😂
You're a great Student. Well done ! 👍
@@StudyCityy next video kab ayegi sir?
@@StudyCityysir plz upload next video we are eagerly waiting....
After searching and struggling to understand physical chemistry aapke animated videos mile jaha par concept clear ho rha hai bas aap videos upload krna band/slow mat karo its a humble request from all students here....
@@StudyCityy sir next video plz.....
Plz
P
L
Z
Sir plz upload next video
Really helpful explanation ❤
Thanks🎉
Really waiting for the next video 😊😊
Sirr please upload more chapters of chemistry 11
The most underrated youtuber ❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤
Pura sal khatam ho gya ab samj aaya
😂😂
👀 in 2024 😮
Shit incomplete syllabus (I'm gonna fail)
Bahiya yrr kitna badhiya batate ho aap sab kuch aache se smj me aata hai
And I hope aap videos daalna band nahi kroge and videos banate rhoge
Isse hamari help ho jati hai
Bat samaj me aa gyi 🎺 wo hai ki absorption spectrum me hota hai ki jab Wight light gas se pass hoti hai to uske atom light ke kuch specific energy ko absorb kar lete hai jiske wajah ke kuch colour gayab ho jate hai aur dark line bante hai
Emission spectrum me hota ye hai ki wahi gas ke atom jo energy absorb kiye hote hai whi energy release karte hai aur aaisa krne pr specific light ke colour observe krte hai jo usne absorb kiye the 😊
Very good teacher I understood everything so easily
You're the king of chemistry
Sir class 11 science ka sabhi chapter ka video upload kijiye na please😢😢🙏🙏
Tomorrow my chemistry paper
Underrated 💗
Thank you so much sir 💗💗
Humesha aaisa hi hota hai...😶
Pure yt ke ek ek teacher k videos dekhne ke baad ek channel par concept clear hota hai but phir vaha aage k videos nhi milte aur phir apne incomplete concepts k saath lagta hai ki shayad hm is stream k liye bane hi nhi the....
And this is the sad realty of all students 😢
Sahi bol rahe ho😢
Actually me mai bhi 3-4 youtube channel par videos dekh kr studycity par depend hu bhi if sir stops uploading videos.😔
Grad to hear that you all liked my videos, and no need to worry, Tomorrow the next video is coming.
And I'll try my best to bring videos for you guys ASAP in future too, bss ap logon se meko bss itna chahiye ki app zyada se zyada hmare videos ko share kro or apne friends ko recommend kro, taki zyada se zyada log hmare community se jud saken.
Baki, Love you all. 💚
@@StudyCityy Thankyou sir 🙏
That means a lot ❤❤
Nahi 😢😢😢
Sir please chemistry ke sare chapter upload kar do please sir
Samajh gye sir 💟 4:45
Sir iska ppt file mil skta h?
❤❤
Sir please upload the next video
Tumhare Comment ko 10 din ho gaye sir ne upload nhi kiya maybe he does not want to.....😔vaise bhi we don't pay here so aaj kl kon itne initiative lega itne kam views k liye
Emission spectrum of hydrogen bhi explain kar dejea sir
Check description.
@@StudyCityy ok sir
Very nice explantion sir
Sir all topic of chemistry upload please 😢
Sir explanation thorra ziada Hoga tho boht mazza aiga
Thank you for this amazing explanation 🎉😊😊😊
Great explanation sir😊
Thankyou so much♥️
Sir please upload the next part as soon as possible 🙏🏻
Sir detailed explanation bhi dala kro. Hum dekhenge❤
❤❤❤❤ fantastic explanation bhai
Nice..explanation ❤🎉❤🎉
Thank you bhai..boht acha samjhaya aapne🙏
Bhai next level ❤
Really helpful ✨👍
Wonderful 🎉🎉🎉🎉
Really helpful ❤
Wonderful
Super bhai❤
Sir is atomic spectrum is equals to emission line spectrum?
No.