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Timestamps:
0:00 Introduction
0:40 Atom
1:53 History of Atom
3:22 Dalton’s Atomic Theory(1808)
4:22 Dalton’s Atomic Theory: Limitations
5:09 Atomic Models
5:47 Thomson Model of Atom
7:11 Introducing α, β and γ-rays
8:21 Rutherford’s Experiment
12:45 Rutherford’s Experiment: Conclusion
20:18 Rutherford’s model of Atom
22:09 Rutherford’s model of Atom: Electron orbits
27:14 Rutherford’s model of Atom: Limitations
29:22 Atomic spectra
32:10 Emission & Absorption Spectra
36:24 Continuous & Quantized Spectrum
39:41 Developments leading to Bohr model
40:31 Bohr’s Model of Atom
42:46 Line spectra of Hydrogen
53:02 Bohr Model of Hydrogen atom:Postulates
1:00:54 Bohr Radius
1:03:54 Total Energy of electron in Hydrogen atom
1:06:50 Bohr’s Model of Atom:Limitation
1:08:28 Heisenberg uncertainty principle
1:10:09 De-Broglie’s hypothesis: Wave-particle duality for matter
1:11:20 De-Broglie’s Explanation of Bohr’s postulate
1:13:44 Problem1
1:15:34 Problem2

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