Post Utme Uniosun 2021 Physics Question 21

Practice objective / multiple choice question 21 from the 2021 Post Utme Uniosun Physics examination.

Post Utme Uniosun 2021 Physics Objective / Multiple Choice
Question 21 POST_UTME_UNIOSUN • 2021 • PHYSICS • objective

A particle of mass $m$ is confined to a one-dimensional box of length $L$. The ground state wave function of the particle is given by \( psi_1\( x \ \) = \sqrt{\frac{2}{L}} \sinleft\( \frac{pi x}{L}\right \)). What is the expectation value of the position operator for this state?

Answer Options

Correct Answer A. \( \frac{L}{2} \)
B. \( \frac{L}{4} \)
C. \( \frac{3L}{4} \)
D. \( \frac{L}{pi} \)
Correct Answer
A
Correct Option:
\( \frac{L}{2} \)

About This Question

This is Post Utme Uniosun 2021 Physics Question 21. It is one of the objective questions from the 2021 Post Utme Uniosun Physics examination.

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