Subject: Physical Chemistry · Chapter: Quantum Chemistry · Topic: Postulates Operators · Exam: NET JUNE 2014 · Marks: 2 · Difficulty: Medium
Two different non-zero operators $\hat{\mathrm{A}}$ and $\hat{\mathrm{B}}(\hat{\mathrm{A}} \neq \hat{\mathrm{B}})$ satisfy the relation $(\hat{\mathrm{A}}+\hat{\mathrm{B}})(\hat{\mathrm{A}}-\hat{\mathrm{B}})=\hat{\mathrm{A}}^{2}-\hat{\mathrm{B}}^{2}$
(a)$\hat{\mathrm{A}} \hat{\mathrm{B}}=\hat{\mathrm{A}}^{2}$ and $\hat{\mathrm{B}} \hat{\mathrm{A}}=\hat{\mathrm{B}}^{2}$