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Thanks Brother. Keep learning. Do share the Channel to the needy Students.

Glad it helped you. Will try as soon as possible, to deliver the rest of the lectures.

Glad it helped! Keep Sharing and learning the Knowledge. Do recommend to others. I would definitely cover other subjects.

Glad it was helpful!

God Knows.

Attracting and repelling is said in the sense of their distance with respect to each other. Theres is always a repulsion. It can be a minimal repulsion and maximum repulsion. The minimal repulsion is sometimes reffered as attraction and nothing else. You can understand it as below: Two electrons with spins in the same direction are in a triplet State. This arrangement is described by the Pauli exclusion principle, which states that no two fermions (like electrons) can occupy the same quantum state if they have identical quantum numbers, including spin. Because the electrons in a triplet state have parallel spins, they must occupy different spatial regions to avoid violating the exclusion principle. The electrons tend to stay apart, when spins are aligned, they cannot come close to each other, leading to a relatively more repulsive interaction compared to the singlet state, where opposite spins allow the electrons to pair and occupy the same spatial region, minimizing their repulsive interaction.

You might have seen, the "Top" in your childhood . Two Top spinning in the same direction repel each other. Two Top spinning in the opposite direction attract each other. Note : Always remember, Electrons doesn't Spin. As per today's understanding of Physics. They just behave as if they are spinning.

Thanks for pointing out that. It's a silly mistake. Hope you enjoyed the lecture.

@@PHYSICS-IIT-KHARAGPUR yes it's totally okay. I am enjoying ur lectures they are perfect to understand. I will be completing soon. And just a request, if possible try to make such videos on solid state physics. Will be grateful.

I am a bit busy these days. Would start making and uploading the video after mid November. Sorry for the inconvenience.

@@PHYSICS-IIT-KHARAGPUR ok sir

Keep learning and Sharing the Knowledge. Do recommend to others.

Thanks for the feedback. Keep learning and Sharing the Knowledge.

Will Resume from Mid - November.

Sir u re teaching way is very nice ❤. Please continue.

Will be covered in Quantum Mechanics

Term symbols for d^2 are 3F, 3P, 1S, 1D, 1G

Sorry for that. You can write while studying. It will help you in grasping and making notes.

Keep learning. And share it with your classmates.

I am bit busy with my research work. Will continue uploading the videos after mid November. Sorry for the inconvenience.

@@PHYSICS-IIT-KHARAGPUR sir app kya kr rahe hai.

Glad you gain something. Keep sharing the knowledge.

Most Welcome. Keep gaining and Sharing the Knowledge.

Refrence Books : Physics of atoms and molecules - Bransden, ‎Joachain Atomic , molecular & Laser Physics - Raj Kumar Atoms, Molecules and Photons - Wolfgang Demtröder Last two books for beginners. After that you can go with the first book. If you just want a single book, then go through Fundamentals of molecular spectroscopy by C. N. Banwell

Glad you find the Videos helpful. Will keep uploading the videos after mid November.

Glad you gain. Keep sharing the knowledge.

Thanks. Keep Sharing the Knowledge.

How i can help you?

I'm master in chemistry But I'm prepration examination of Questioned document In this post some topics physics Can u help me

Glad, you find it helpful. Keep watching and sharing the knowledge.

Thanks and welcome. Keep watching and sharing the knowledge.

​@@PHYSICS-IIT-KHARAGPUR1:02 😢

Thanks for your inspirational words. Keep sharing the knowledge.

Glad you like them!

Yes, it's correct.

You have written 0^3 Are you taking about h^3 ?? Please eloborate your question.

You can visit playlist for such more videos. I have cover almost all the syllabus for Atomic and Molecular theory. Secondly, to solve questions on spectroscopic terms, you can see playlist. PYQs and important questions have been solved there. Feel free to ask the dout.