In: Physics
2) Explain why are the vectors needed to describe a quantum state?
3) Why are the operators linear in quantum mechanics?
4) What meaning does the eigenvalues problem have in quantum mechanics?
5) Which operators have mutual eigenfunctions?
6) What is the probability (or probability density) of physical quantity in its representation?
7) Which special role has energy operator in quantum mechanics?
8) Name the operators with continuous and discrete spectrum.
Eigen values are generally possible solutions or roots of a wave function when an operator applied on it.