Lizwi

Hi I have learnt that notepad is HTML editor, then what is HTML itself, is HTML a software? Can I edit directly on HTML? For example, if I do programming in python I write a code in python itself not in any editor. Is HTML a software like python? Thanks

Yes, I am doing QM. Thanks a lot. How do I write the hermitian conjugate of operator A. Please see the attachment.

Yeah, is Kronecker delta reaulting because of diagonal matrix?

Why is i =j in the steps highlighted in green?

What type of mathematics must I do to understand this mathematics in the picture below?

What type of mathematica is this on the picture. When I start to study relativity, it appears and I don't understand it.

High, I know about Open University, Which other University to study MSC Physics online Thanks

I am failing to understand spin. I believe any object when rotated 360 degrees will return it faces to their original position. What does spin 1/2 and spin 3/2 mean?

Why is NO3 called spectator ion because it can react with water to form HNO3 and turn water in OH- so the solution is neutral Thanks

Lol, mm, yeah. I get it😂

It seems like in University Physics textbook by Young and Freedman, the SE differential equation is not solved, The solution is only predicted and tested. Is it not possible to solve it?

I am looking for good statistical physics and classical mechanics notes ,graduate level for self study.

I was computing an expectation value of kinetic energy. Here the kinetic energy is the square of momentum divided by 2m. But when I square expectation value of momentum, the textbook return Psi unsquared Please see attachment.

Thanks I will have a look on it, I am going through Griffiths QM textbook. I am at the beginning of it.

Okay thanks a lot