Post Utme Uniport 2018 Physics Question 5

Practice objective / multiple choice question 5 from the 2018 Post Utme Uniport Physics examination.

Post Utme Uniport 2018 Physics Objective / Multiple Choice
Question 5 POST_UTME_UNIPORT • 2018 • PHYSICS • objective

A beam of light is incident on a surface with a reflectivity of 0.8. If the intensity of the incident light is 100 W/m², what is the intensity of the reflected light?

Answer Options

Correct Answer A. 80 W/m²
B. 60 W/m²
C. 40 W/m²
D. 20 W/m²
Correct Answer
A
Correct Option:
80 W/m²

About This Question

This is Post Utme Uniport 2018 Physics Question 5. It is one of the objective questions from the 2018 Post Utme Uniport Physics examination.

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