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Lecture - 1 Introduction to Quantum Physics;Heisenberg''s uncertainty principle
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- Опубликовано: 15 дек 2008
- Lecture Series on Quantum Physics by Prof.V.Balakrishnan, Department of Physics, IIT Madras. For more details on NPTEL visit nptel.ac.in
I studied maths at Cambridge; I've watched a bunch of online lectures from Stanford and MIT on related subjects. This lecture stands out as a fantastic learning experience. There may be better researchers out there, but this guy is the most impressive and engaging teacher I've ever seen.
It has nothing to do with the Institution, but with the lecturer itself.
@Ultimate Game I study physics at IITM, and I've attended a few lectures by prof. Balkrishnan.
But you're wrong, professors at IIT aren't all good.
There are some very good teachers but many are just bad.
I've been teaching myself mostly for past 4 years. In any semester I usually have 2/6 good professors. 2 okayish professors and 2 extremely bad professors
Totally agreed
@Ultimate Game totally agreed
@@Yashodhan1917 but in universities u will not find even a one person like him...itts have more chances to have professors like him.
Love that quote at the end
"We live on an island of knowledge surrounded by a sea of ignorance. As our island of knowledge grows, so does the shore of our ignorance." - J. A. Wheeler
Thank you very much
This is one of the strongest and most true statements I have ever heared in my life
Great quote!!!
Another great quote from Wheeler: Time is what prevent everything from happening at once.
I wonder what he would have said on space.
57:25
One of the greatest professors I have ever seen. The lecture is clear, interesting, and no nonsense. The attitude is humble, kind, nice, sincere. Hopefully we have more professors like him.
I always wonder why some people want to find some new ways of teaching. I would say the knowledgeable, devoted professors are the most important thing for education.
True!
Lianxi Ma There is a saying in Sanskrit "Vidya Dadaati Vinayam". Which translates to Knowledge leads to humbleness!
Yes and No, you and me are watching this video, because someone thought to put it here. But, yes, it need not be simpler!
That is what our culture teaches: Simple living and High thinking.
Yes 100% true.....
Prof. Balakrishnan's lectures on algebra and QM, shows what a great teacher he is. I sure miss him and want him to be my teacher all over again. my life would have been a lot different.
Balki was my professor at IIT madras 23 years ago. Bring back memories. He is the best professor I have ever had in my life. I'm a professor myself now, and I think I owe my love of teaching to him.
Even I didn't remember my teachers name . What I remember about them is they put tika on their forehead and pasted the formulas back of their walls.
Hello sir...!!
Hey Sir, are you a professor at IIT
@@abhisheksoni9774 no, but I am professor at the University of Toronto
@@pmohanram Oh Wow that's great 👍
He should've gotten an ovation at the end of this lecture.
I did it at home...
Absolutely 🙏🏼
What is mean by ovation ??? I hav heard of ovalution in 7th standard .
@@blitztage3245 it is not fun to ask me about anything. I m in danger . I think they are planning my murder.
@@purnimastevenfrayne4990 we say standing ovation when we stand up in respect for someone
I was one of the extremely fortunate students (IITM 2005-2009 BTech batch) where I had opportunity to attend this course, classical physics and Math Physics under Prof. Balki. I studied at several countries later including Europe and US. By far he has been the best teacher I have ever had in my entire life. I remember I always used to look at my watch to see how long more the class will last for any other lecture but with Balki i was like "the class is already over.. i wish he could lecture for some more time " .. I was never interested to attend courses or lectures but Balki taught Physics as if it is some engaging Thriller movie! You can find me in these lectures as well :)
Where are u sitting bro?
Which book did he follow? In the class and in this description they didn't put the references. Can you help me telling this if you can remember?
@@sadmanloha6244 I don't think there was any text book for his courses. He used to give his own lecture notes. I think he expanded these notes and published a book recently. Look here : www.amazon.com/Mathematical-Physics-Applications-Problems-Balakrishnan/dp/3030396797/ref=pd_lpo_14_t_0/137-9845172-5538413?_encoding=UTF8&pd_rd_i=3030396797&pd_rd_r=8ae493a1-cecc-44a0-9ce8-cb546a0df6a7&pd_rd_w=6607U&pd_rd_wg=4eLSQ&pf_rd_p=7b36d496-f366-4631-94d3-61b87b52511b&pf_rd_r=HKC9F924WWY36PFP78NT&psc=1&refRID=HKC9F924WWY36PFP78NT
I m from engineering background .
What prerequisites I should have to learn quantum mechanics ?
This is what as we want to learn everything in a single lecture. He is genius and well prepared professor
I watched around 20 lectures of this series and found out that the best book to go with the course is none other than Volume 3 Feynman lectures. Balakrishnan has the mathematical rigour and Feynman has the physical insight. The comination rocks.
pagalsona I know this is old comment but thank you , I just started the course and was looking for a book .
Feynman or Griffith?
Which should I opt for?
@@satadrubanerjee4862 go for Feynman first.
@@happyprince941 thanks
@@satadrubanerjee4862 go for Richard
omg. This lecturer has weird and genius family. his wife is theoretical physicist as well, his son is Professor in the Department of Electrical Engineering and Computer Science at MIT and his daughter is a faculty member at MIT in the Department of Aeronautics and Astronautics.
subash3 great
good rush
@Crazy and Confident I m angry do not give reply here .
@subash3 are you alive?
@@Archius_09 weirdo lecturer 🤣😂🤣
What an excellent introduction Prof Balakrishnan. Viewers, see it at x1.25.
Thank me later.
Andrei Sokolov thanks
@@satadrubanerjee4862 Me at 2x
@@quantumaravinth extra genius
Once I thought that india doesn't have quality faculties but this lecture breaks my myth
What an lecture sir no hocus pocus nothing but only intellect an pure intellect
Next year, when im finishing my physics degree, Ill mention this mans name. I have done a lot in quantum mechanics but i still keep watching this first lecture and pausing and rewinding. This is my 7th time this semester and Im still in awe
I left my physics degree of msc . Because clg was not good and I hav entered there without clearing any competitive exam
I haven't cleared any competitive exam yet . I m busy in make up my face these days.
I can understand that Prof. Balakrishnan's excellence in teaching has infinite accuracy violating laws of quantum mechanics!!
Darun bolecho!!
(I'm a junior #Scc)
Very clear communicator. I wish I had a physics teacher this good when I was in high school and college.
ANd you would have been a physicist today
"The failure is not on the part of quantum mechanical particle, the failure is not on the part of the experimentalists. The failure is on the part of English Language. Words like wave and particle and so on have been coined by us to paraphrase a set of properties"
Wow hmmmm.
❤❤
Can't thank IITM enough for sharing such an insightful session.
I cannot help inwardly laughing and shaking my head at the sheer brilliance of the man,
I didn't get anything in whole lecture. You are also brilliant.
This was better than the MIT lecture.Brilliant :)
I feel like a total nerd. I just realized I got bored, youtube searched "Quantum physics" and watched an hour long lecture, but I do have to day, very interesting.
Very lucid. Well explained. Starts slowly, keeps the pace, and we learn so much! Just like Prof. Acharya at IIT Kharagpur.
this guy lectures brilliantly
I am a commerce student academically, my heart lies with science
thank you uploader and proffessors
I can relate to you 😆😆
lmfao bhaai jaake ca ban ja
How come the Indian lecturers in India speak better english than the indian lecturers in Aus
***** "cause we export after fulfilling our own demands. It is not China that the best will be exported and poor will be left for local usage.
Ram Krishna I'm not at all surprised at English fluency in India. I worked in Medicine in England and Indian graduates in my field (psychiatry) had an excellent grasp of English - which has for years been the language of their education. Ironically immigration rules meant that while EU doctors could come freely to the UK, sometimes with distinctly less good English, while fluent Indian/Pakistani staff found coming to the UK much more difficult.
Because India has a rich mind both in english and science. The only need for us is a nice professor like him.
+Ram Krishna
Actually best of them come to the US.Unlike 'straya , people - applying
for the US uni - need to take Graduate Record Exam ( mandatory for STEM
graduate programs) and TOEFL (English exam , in which speaking skills
are tested too). Admission in coveted universities such depends upon the
scores in the aforementioned exams.Very recently - Singapore ,
Australia , and New Zealand also taking these scores seriously.We can say : crème de la crème from all of these Asian countries ( including China , Iran ,Taiwan, etc.) are moving to the US (more than any other country.Sociologists have term to explain this phenomenon .It's called as brain drain.
www.dhs.gov/xlibrary/assets/statistics/yearbook/2006/table02.xls
You mean we wont take admission tests in India?? Often the Polytechnic Entrance Exam in India is tougher than GRE and GMAT.
Old and quite a new NPTEL IIT Madras videos are gems. I earlier saw Prof. Srinivasan's DSD course, extremely good!
i never had a teacher like him...all others scared me but this man is awesome...thank you sir!!!!if only my physics teacher were like him....
I remember is I never had classroom.
One of the best teachers i have seen.. Our continent needs more teachers like him.. Made the topic as clear as possible.
Amazing! I really appreciate the way he inter-relates the math, physics, the interpretative context, philosophical underpinnings and historical background.
hats off to u sir !! u cover each n every topic very well and it helped me very much to understand them.
*Classical Mechanics Is An Approximation Of Quantum Mechanics*
😊😎😇🙏
instructor with board chock and concept is much better than instructor with power point presentation thats why iit madras is good for students thank you iit madras and
prof. v. balakrishnan
Sir, I am a physics graduate of BITS-Pilani. Thank you for this most enlightening lecture. This has been one of the best hour's of my life. I can guarantee that each one of the students in your class is truly blessed. Thanks a lot for uploading this amazing video.
Good old days (I saw that the video was uploaded on 16th December 2008).
No smartphones, no distractions, all the students are listening with rapt attention. A very rare sight in engineering colleges nowadays...
Wonderful, Wonderful lecturer and fascinating to listen to. I love the way he connects with his audience. Can't wait to watch some more of his lectures. Thank you for posting.
What an outstanding teacher. The students in this class are very fortunate!
Love the way you present your lecture
Okay, so i'm a Soph. in high school...yet this professor explains in such a way that I can understand! i'm amazed. He is great.
*It is an intrinsic property....*
And
*that's the way it is.....*
Ohhh.... Professor....!!!! Your Lecture Seems Me Much Spiritual.....
ThAnk You.......
I haven't find out the Quantum Mechanics lecture like this.....in first it seems to be complicated to understand but when u have some basic knowledge about that subject then it seems like a fabulous lecture....
Very educating environment in classroom....the Answer by Prof. Is outstandingly Awesome....
I hate my lecturers rajesh gupta
Ratna sen and mandeep mann. My list of hating teachers is endless.
@@Benzene6.023 they hurt me. They ragged me and raped me. My professors raped me for money and other needs . I abused all of them for my protection.
@@Benzene6.023 I studied in Delhi public school palwal. And mvn university palwal. I posses psychic powers like steven frayne. Those powers protected me against rape at that tym . Today I m alive .
@@purnimastevenfrayne4990 wtf kya bol rahi ho!
Great talk! Thank you so much for your deep insigths but also humble points of views
It was not talk . It was lecture. Lecture for students which was shooted in the classroom itself.
i can listen to you for ages without getting bored
Thanks, very valuable lecture I enjoyed it. I like how modest he was? I hope he is in a good health in 2015.
Probably the greatest introductory lecture in QM ever
Sir you are amazing.i have never seen such a kind hearted and talented teacher in youtube platform.I have learned many concept of quantum mechanics and classical mechanics.आपके चरणों में नमन(bow at your feet).Thank you so much sir🙏🏻 sir
I wish I had this guy as my prof for classical mechanics and quantum mechanics...he's so clear and explains everything so well
I studied under Balki for 2 years. He was just amazing, though I failed in his exam and later passed successfully though... Very amazing. A real Guru, A Real Master...
ThisGuru's style made me to my business far better and sharper... Thanks to this Great Guru. We also had another Guru, Dr. Swami, Balki's great friend. One of the greatest ever teacher!!
Which batch?
We used to consider Balki as the God of Physics. He taught us physics at IITM in 1983. The coolest professor I have ever met in my life. I have been tripping viewing these lectures after ages....These lectures are IMHO easier to comprehend than my other idol Feyman's lectures
I only heard one scientist name is einstein. And no other . Sometimes I remember newton s name also . But after then brownies starts popping into my brain . I love food more than scientists.
Exceptional Professor. Clarity, simplicity and depth---great delivery!
This was a great lecture by Prof. Balakrishnan. I'm doing a course in quantum mechanics next semester and I think this series of lectures will really help me prepare for it. Thanks for posting this!
you can actually appreciate QM if you follow all the lectures of this professor with pen and papers with you. this is a serious lecture series, not some funny quantum vedio clip. pls make best use of this vedio.
are you alive?
A smooth and clear lecture.
Sublime sir. Remarkable method.
Thank u so much sir for all the lectures.U are no doubtely one of the best ....A huge thank u to NPTEL
We're all just people though... I would venture to say that this institute is gifted with this excellent professor.
Fantastic teacher, inspiring, authoritative, and humble (no overdriven ego needed). Would like to discuss religion vs. science, and freedom of science with him.
seedogree
@Wiz not really. Religion has been one of the major factors the human species survived. The contribution of the ability to come up with imaginary stories and believe them to our evolutionary success is dominantly major and important. Not only beneficial to the survival, but the circuits we developed in our brains to help us do that are also the same things also help us come up with creative solutions.
@Wiz I used to think likewise. However as I dug deeper into my religion (Hinduism) and for instance studied meditation, I observed it has deep parallels to the Heisenberg's Uncertainty Principle which is discussed right here in this Lecture. There are two ways one can meditate, either using concentration and when one does that we are focused on the present losing sense of direction of thought. This is like determing Position of the particle and obviously we cannot determine momentum then. You try to determine both you cant meditate then. In the other method of meditation, where we use awareness we are focusing on direction of thought (momentum) and losing control of any particular meaning or content of thought (position). So there's a direct one to one correspondence with the Uncertainty Principle.
this is actually a good teacher
& greatest lecture of all the time in India
such a professional
Dr V. Balakrishnan is simply brilliant. i remember a foreword by him in an old edition of the Feynman Lectures in physics. (1986 Narosa).
Is not it really my dream to meet this legend at least once in my life?? A great salute ,He is my God
Really indians are outstanding at physics,but it may require anther frame of reference to understand/open there mind..probably the best lecture on quantum mechanics on youtube.loved it..
+BoldFuturesAcademy Lol
WTF! Get fucking lost!
*****
Thats only for very small particles like electrons.
***** Dafuq!!!
ruclips.net/video/Z9SfhFo5Fzc/видео.html
Watch this too
I did my quantum chemistry course under another brilliant professor, Prof Mangala Sunder during my undergrad days at IIT Madras years back. Before leaving the campus I made sure, I attend some of Prof Balki's lectures/talks (none part of my coursework). His intuition, depth of subject , clarity in speech, ability to infuse mathematics and occasional humor, keeps students engaged for hours. A lifetime experience for students and a perfect model lecture for future lecturers/teachers on how to teach.
Remarkably clear yet concise explanation of some of key concepts in QP - excellent lecture - thanks!
this professor is awesome
dear Sir....thank you very much
The greatest video on RUclips period .
Thanks a lot to him for his way of teaching, it is very nice..
I'm literally in tears, comparing this to my college professor😭😭
Lecture is good and the explanation of the professor is very good and understanding.
superb... A root level approach in to the complex world of physics. It shows the depth of the understanding from the experiences with this science.
Very lucky we are to feast on this! Very deep, very precise, very everything a teacher needs to be! Bravo!
Amazing lecture!
Excellent introduction by great professor,salute Sir🙏🙏
Sir I watch your videos. You too guide very good.
if perfection had a defination i wish i had a teacher like him so much passion
I think this is the best lecture as a introduction to QM I have come across so far.The way sir explains is so manifesting
is it graduate or undergraduate lecture
I had gone through the first 29 lectures in this series, and those entire section was exemplary. Am really feeling jealous to the students in the class, i know they are talented, because they have got a professor like him. I didn't get the reason why one of our union minister,he is also from iit, had made some slanderous remark about this exceptional persons. Our minister had to spend a little time in front of NPTELvideos before making those kind of egregious remark.
.
Mr this lecture is sufficient for iit jam
@@balramsinghrajput1370 yes it is more than enough.
Are you kidding me? This professor is an AWESOME professor! He really knows his stuff! crystal clear lectures...
Crystal clear . Transparent ??? Or transportation????
@Vipin Kumar me 👊👊👊👊 have punch
This was a good intro to quantum physics, centered around Heisenberg's uncertainty principal.
Professor, Just finished ur lecs on classical mechs, now starting this awesome series today Sir
Namaste.
namaste...!!
Namaste
Namaste Ma'am
Namaste:)
Namaste
It is amazing how good his English is. I wish my students can someday speak like him.
I don't think they will be as good a physicist as this prof, but at least if they are good speakers, I'll be more than happy.
I also like those bright young students some are asking very smart questions. So here is a question for all of you - What is really an electric charge? You probably know that "What is mass?" has sort of been answered after Higg's Bosons were proven to exist.
Rocky Sinai - String theory gives a very geometrically fundamental meaning of electric charge . It is the ratio of planck length to the string length (various vibration modes(excitation states of the string) have various resonating lengths), And electric charge is the ratio of planck length to this length . AND, mass is similarly defined as, the difference in the vibrational energy of the string and the rotation energy(spin energy) of the string .
Sujan Kumar
"And electric charge is the ratio of Planck length to this length"
Pretty good answer. What is the unit ?
Hope string theory gets some proof, some more interest among the researchers and wider acceptance.
Best wishes.
What a marvellous and articulate lecture maintaining the dignity and poise of the subject as well keeping the curiosity and approachability alive so that it doesnot become too abstract...take a bow sir
Excellent Sir.
Thank you very much for such a great lecture series.
The best intourduction to the quantum world ever since genesis 😀👏👏👏👏👏👏👏👏
great explanation.. Has a great way of answering questions, very cool in responding with resonating words.
Resonating frequency means ???
Thnx to nptel for making pdf available for this great lecture series.
The conferences are great and I revisit them frequently and recommend them as well. It would be nice to add descriptions to the videos so it's easier to find a specific subject.
Prof. Balki = GOD. May he live really long.
very much beneficial lecture
Thank you very much Prof. This lecture has been of great interest to me especially the emphasis on the nomenclatura employed to describe the microscopique and macroscopique worlds.
Please, nptelhrd!
Upload lectures from Dr. Balakrishnan on QED or QFT!
Please!
Damn it! These lectures make the sylabus at my old Uni pale in comnparison. Just another reason to be dissapointed with most of the three years I spent studying there. So much missing from the Physics that I took. Thermodynamics was completely absent, so was (mostly) Hamiltonian mechanics! Wish I had this 5 yrs ago.
we need more information like this being pushed into the world it only takes one person to solve any question but it take all thinking creatures to find that one person
For students who have to pass an exam, Prof. Balakrishnan's lectures are top-class. But if you are just a curious person in knowing about quantum mechanics, or if I am interested in attracting more and more ordinary people to get interested in this subject, many, many much-better-produced attention-getting and interesting videos are available on RUclips now. You will be missing out on a great lifetime experience if you don't look at some of them. You should also look at videos on Special Relativity. Then your familiarity with modern physics is complete!
The secret of quantum mechanics is "It's really work in real life situation"
Name each video,with the topic discussed in each!
Humble! Insightful! Elegant! Deep ❤️❤️
Came not for quantum mechanics but for his language and how to connect with audience.... Professor is too good to keep you tied for hours together...
Autoritär, gründliche, strenge Behandlung und Lieferung. Ich möchte Prof. persönlich treffen, um über relativistische Quantenphysik reden
I LOVE LEARNING!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Yeah, me too, until I reach my intellectual limits ;-)
Glued to the lecture. Prof is a like a beautifully scripted enjoyable book
This is a privilege! Excellent teacher. All Balki needed to give a lecture was a piece of chalk. No overheads, slides and other paraphernalia!
Damn. Wish I could crack JEE Advanced to learn from this amazing man.
Lite, he retired. I got admitted to physics BS+MS in IITM but he retired in the same year.
pure knowledge
I agree. I've watched a lot of QM lectures and this fella is tops.