Post Utme Lasu 2018 Physics Question 33

Practice objective / multiple choice question 33 from the 2018 Post Utme Lasu Physics examination.

Post Utme Lasu 2018 Physics Objective / Multiple Choice
Question 33 POST_UTME_LASU • 2018 • PHYSICS • objective

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

Answer Options

Correct Answer A. $E - \phi$
B. $E + \phi$
C. $\phi - E$
D. $\phi + E$
Correct Answer
A
Correct Option:
$E - \phi$

About This Question

This is Post Utme Lasu 2018 Physics Question 33. It is one of the objective questions from the 2018 Post Utme Lasu Physics examination.

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