Welcome to problems and solutions in section 2!
The problems can be found here (scroll to the bottom).
https://pasayten.org/quantum-mechanic...
In this session we explore the expectation values and the variance for two distinct spin operators, Sx and Sz. They measure the spin of a particle - like a silver atom from The Stern Gerlach experiment - in either of the two directions.
The course itself has a website here:
https://pasayten.org/quantum-mechanic...