Q33. /and y, are two orthogonal states of a spin system. it is given that whereandrepresent the spin-up and spin-down states, respectively. when the system is i

Q33. /and y, are two orthogonal states of a spin system. It is given that whereandrepresent the spin-up and spin-down states, respectively. When the system is in the state /, its probability to be in the spin-up state is