Post Utme Ui 2020 Physics Question 17

Practice objective / multiple choice question 17 from the 2020 Post Utme Ui Physics examination.

Post Utme Ui 2020 Physics Objective / Multiple Choice
Question 17 POST_UTME_UI • 2020 • PHYSICS • objective

A photon of wavelength 400 nm is incident on a metal surface. If the work function of the metal is 2.5 eV, what is the maximum kinetic energy of the emitted electron?

Answer Options

Correct Answer A. 1.5 eV
B. 2.5 eV
C. 3.5 eV
D. 4.5 eV
Correct Answer
A
Correct Option:
1.5 eV

About This Question

This is Post Utme Ui 2020 Physics Question 17. It is one of the objective questions from the 2020 Post Utme Ui Physics examination.

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