ABC26PH0173 · Quantum Chemistry

Subject: Physical Chemistry · Chapter: Quantum Chemistry · Topic: Postulates Operators · Exam: CSIR-NET 2018 · Marks: 2 · Difficulty: Medium

A particle is in a state $\phi=\psi_{1}+3 \psi_{2}$ where $\psi_{1}$ and $\psi_{2}$ are eigenfunctions of the Hamiltonian of the particle with eigenvalues $E_{1}$ and $E_{2}$, respectively. The average energy of the particle in the state $\phi$ is
(a)$\left(\mathrm{E}_{1}+9 \mathrm{E}_{2}\right) / 10$
(b)$\left(\mathrm{E}_{1}+3 \mathrm{E}_{2}\right)$
(c)$\left(\mathrm{E}_{1}+9 \mathrm{E}_{2}\right) / 14$
(d)$\left(\mathrm{E}_{1}+3 \mathrm{E}_{2}\right) / 10$
Answer
Answer (as printed): A
Explanation
No explanation was printed for this question.

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