Post Utme Abu 2022 Physics Question 28

Practice objective / multiple choice question 28 from the 2022 Post Utme Abu Physics examination.

Post Utme Abu 2022 Physics Objective / Multiple Choice

Question 28 POST_UTME_ABU • 2022 • PHYSICS • objective

A photon of energy $E$ is incident on a metal surface with work function $\phi$. If the photon is not absorbed, what is the maximum kinetic energy of the emitted electron?

Correct Answer A. K_{max} = E - \phi

B. K_{max} = E + \phi

C. K_{max} = \phi - E

D. K_{max} = E\phi

Correct Answer

Correct Option:

K_{max} = E - \phi

This is Post Utme Abu 2022 Physics Question 28. It is one of the objective questions from the 2022 Post Utme Abu Physics examination.

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