Post Utme Unn 2021 Physics Question 13

Practice objective / multiple choice question 13 from the 2021 Post Utme Unn Physics examination.

Post Utme Unn 2021 Physics Objective / Multiple Choice

Question 13 POST_UTME_UNN • 2021 • PHYSICS • objective

A photon of energy $E$ is incident on a metal surface with work function $\phi$. If the photon is absorbed by the metal, determine the maximum kinetic energy of the emitted electron.

Correct Answer A. $ E - \phi $

B. $ E + \phi $

C. $ E \phi $

D. $ \phi - E $

Correct Answer

Correct Option:

$ E - \phi $

This is Post Utme Unn 2021 Physics Question 13. It is one of the objective questions from the 2021 Post Utme Unn Physics examination.

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